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Link to original content: http://en.wikipedia.org/wiki/Area_code_603
Area code 603 - Wikipedia Jump to content

Area code 603

From Wikipedia, the free encyclopedia
Area code 603 in a 1956 map, covering the whole state.

Area code 603 is the sole area code for the U.S. state of New Hampshire in the North American Numbering Plan (NANP). It was created as one of the original 86 numbering plan areas in October 1947.

In 2011, area code 603 was said to be nearing exhaustion and a second area code for New Hampshire was expected to be activated by 2013 as a statewide overlay plan.[1] As a result of changes in allocation policies and a reclamation of a large block of previously allocated telephone numbers, including number pooling, the exhaustion time frame has been moved to at least 2032.[2]

Ten-digit dialing

[edit]

Prior to October 2021, area code 603 had telephone numbers assigned for the central office code 988. In 2020, 988 was designated nationwide as a dialing code for the National Suicide Prevention Lifeline, which created a conflict for exchanges that permit seven-digit dialing. This area code was therefore scheduled to transition to ten-digit dialing by October 24, 2021.[3]

Central office prefixes

[edit]

Prefixes without date existed long before databases were published by the NANP since 1994. Prefixes located in Derry are also used in adjacent Londonderry. 976 is assigned to Concord, and requires dialling 1-603 first.

Central office prefixes in area code 603[4]
Prefix Location County Introduced
200 Newmarket Rockingham August 16, 2011
203 Manchester Hillsborough May 14, 2003
204 Nashua Hillsborough October 13, 1999
205 Portsmouth Rockingham July 22, 1999
206 Manchester Hillsborough October 13, 1999
208 Lyme Grafton February 27, 1999
209 Keene Cheshire October 13, 1999
210 Manchester Hillsborough June 13, 2000
212 Salem Rockingham March 3, 2001
213 Derry Rockingham October 25, 2006
214 Errol Coös January 14, 2000
215 Berlin Coös May 10, 1999
216 Manchester Hillsborough July 22, 1999
217 Bristol Grafton July 11, 2001
218 Manchester Hillsborough July 22, 1999
219 Concord Merrimack February 14, 2001
221 Nashua Hillsborough October 11, 1997
222 Manchester Hillsborough May 10, 1999
223 Concord Merrimack July 4, 1995
224 Concord Merrimack
225 Concord Merrimack
226 Concord Merrimack
227 Concord Merrimack April 1, 1997
228 Concord Merrimack
229 Concord Merrimack
230 Concord Merrimack October 15, 1996
231 Derry Rockingham May 3, 2001
232 Manchester Hillsborough January 14, 2000
233 Nashua Hillsborough August 20, 2000
234 Derry Rockingham May 3, 2001
235 Derry Rockingham May 3, 2001
236 Wonalancet Carroll
237 Colebrook Coös
238 Plymouth Grafton October 13, 1999
239 Winchester Cheshire
240 Manchester Hillsborough April 15, 1996
241 Manchester Hillsborough October 11, 1997
242 Troy Cheshire
243 Woodsville Grafton July 20, 2011
244 Manchester Hillsborough August 20, 2000
245 Portsmouth Rockingham May 10, 1999
246 Colebrook Coös January 10, 1996
247 Derry Rockingham October 11, 1997
248 Dover Strafford
249 Milford Hillsborough July 4, 1995
250 Meredith Belknap May 10, 1999
251 Salem Rockingham February 28, 2012
252 West Lebanon Grafton March 22, 2001
253 Meredith Belknap
254 Plymouth Grafton February 27, 1999
255 Manchester Hillsborough February 19, 2020
256 West Chesterfield Cheshire January 10, 1996
257 Plaistow Rockingham July 22, 1999
258 Hollis Hillsborough April 14, 2017
259 Littleton Grafton August 14, 1998
260 Derry Rockingham January 4, 2013
261 Merrimack Hillsborough January 25, 1998
262 Merrimack Hillsborough January 25, 1998
263 Manchester Hillsborough January 25, 1998
264 Manchester Hillsborough January 25, 1998
265 New Boston Hillsborough March 3, 2001
266 Tilton Belknap May 10, 1999
267 Belmont Belknap
268 Suncook Merrimack
269 Rumney Grafton
270 Manchester Hillsborough January 25, 1998
271 Concord Merrimack
272 Piermont Grafton January 10, 1996
273 Laconia Belknap August 14, 1998
274 Hampton Falls Rockingham August 14, 1998
275 Derry Rockingham March 3, 2001
276 West Lebanon Grafton October 13, 1999
277 Hanover Grafton October 13, 2006
278 Jefferson Coös
279 Meredith Belknap
280 Barrington Strafford August 14, 1998
281 Nashua Hillsborough January 14, 2000
282 Canaan Grafton August 14, 1998
283 Keene Cheshire August 20, 2000
284 North Sandwich Carroll
285 Dover Strafford August 14, 1998
286 Tilton Belknap
287 Claremont Sullivan May 18, 1998
288 Nashua Hillsborough July 5, 2017
289 Manchester Hillsborough October 31, 2000
290 Concord Merrimack May 18, 1998
291 Greenville Hillsborough October 26, 2006
292 Newmarket Rockingham October 31, 2000
293 Gilford Belknap
294 Portsmouth Rockingham May 18, 1998
295 Durham Strafford April 26, 2001
296 Manchester Hillsborough January 14, 2000
297 Center Ossipee Carroll May 10, 1999
298 West Lebanon Grafton January 10, 1996
299 Bartlett Carroll July 28, 2017
300 Chester Rockingham June 9, 2003
301 Center Ossipee Carroll July 11, 2001
302 Manchester Hillsborough September 19, 2001
303 Manchester Hillsborough March 9, 2001
304 Enfield Grafton February 27, 1999
305 Bedford Hillsborough August 21, 2001
306 Lebanon Grafton December 18, 2006
307 North Conway Carroll September 6, 2012
308 Hanover Grafton September 30, 2014
309 Newport Sullivan August 9, 2013
310 Bedford Hillsborough June 30, 2001
312 Dover Strafford July 22, 1999
313 Keene Cheshire July 22, 1999
314 Manchester Hillsborough October 13, 1999
315 Manchester Hillsborough February 27, 1999
316 Milford Hillsborough October 16, 2017
317 Milan Coös November 20, 1998
318 Nashua Hillsborough June 13, 2000
319 Portsmouth Rockingham January 14, 2000
320 Nashua Hillsborough August 20, 2000
321 Nashua Hillsborough May 18, 1998
322 West Lebanon Grafton October 15, 1996
323 Tamworth Carroll
324 Nashua Hillsborough January 25, 1998
325 Manchester Hillsborough January 25, 1998
326 Berlin Coös May 18, 1998
327 Salem Rockingham October 13, 1999
328 Salem Rockingham January 14, 2000
329 Hampstead Rockingham
330 Rochester Strafford
331 Colebrook Coös May 18, 1998
332 Rochester Strafford
333 Concord Merrimack December 6, 2017
334 Portsmouth Rockingham
335 Rochester Strafford
336 Hinsdale Cheshire
337 Rochester Strafford
338 Keene Cheshire August 14, 1998
339 Derry Rockingham June 13, 2000
340 Suncook Merrimack February 12, 2001
341 Merrimack Hillsborough May 18, 1998
342 Berlin Coös
343 Dover Strafford June 13, 2000
344 Suncook Merrimack October 11, 1997
345 Merrimack Hillsborough
346 Plymouth Grafton May 18, 1998
347 Kingston Rockingham August 20, 2000
348 North Woodstock Grafton February 27, 1999
349 West Lebanon Grafton May 18, 1998
350 Rochester Strafford August 14, 1998
351 Manchester Hillsborough January 25, 1998
352 Keene Cheshire
353 Orford Grafton January 10, 1996
354 Keene Cheshire October 11, 1997
355 Keene Cheshire
356 North Conway Carroll
357 Keene Cheshire
358 Keene Cheshire
359 Lebanon Grafton October 15, 1996
360 Orford Grafton June 11, 2010
361 Manchester Hillsborough May 18, 2001
362 Atkinson Rockingham
363 Chesterfield Cheshire
364 Gilmanton Belknap
365 Merrimack Hillsborough May 4, 2001
366 Laconia Belknap
367 Madison Carroll
368 Madbury Strafford December 27, 2017
369 Concord Merrimack May 18, 1998
370 Candia Rockingham October 17, 2001
371 Peterborough Hillsborough January 14, 2000
372 Claremont Sullivan May 10, 1999
373 Portsmouth Rockingham July 22, 1999
374 Bartlett Carroll
375 Ashland Grafton July 19, 2012
376 Dover Strafford April 15, 1996
377 Merrimack Hillsborough March 3, 2001
378 Plaistow Rockingham April 1, 1997
379 Hampton Rockingham August 14, 1998
380 Portsmouth Rockingham April 1, 1997
381 West Lebanon Grafton July 6, 1997
382 Plaistow Rockingham
383 Jackson Carroll
384 Manchester Hillsborough February 27, 1999
385 Manchester Hillsborough July 4, 1995
386 Nashua Hillsborough July 22, 1999
387 Laconia Belknap
388 Colebrook Coös May 10, 1999
389 Durham Strafford October 13, 1999
390 Jefferson Coös November 20, 1998
391 Manchester Hillsborough October 31, 2000
392 Winchester Cheshire November 7, 2006
393 Laconia Belknap May 4, 2001
394 Newton Rockingham January 10, 1996
395 Exeter Rockingham August 14, 1998
396 Merrimack Hillsborough October 31, 2000
397 Durham Strafford October 31, 2000
398 West Lebanon Grafton January 10, 1996
399 Westmoreland Cheshire
400 Hollis Hillsborough August 31, 2011
401 Hampton Rockingham October 17, 2001
402 Nashua Hillsborough September 6, 2012
403 Rochester Strafford July 31, 2018
404 Conway Carroll January 4, 2016
405 Somersworth Strafford April 20, 2016
406 Bow Merrimack December 21, 2018
407 Belmont Belknap May 6, 2015
408 Berlin Coös December 9, 2015
409 Laconia Belknap October 13, 2015
410 Manchester Hillsborough July 22, 1999
412 Plymouth Grafton February 27, 1999
413 Manchester Hillsborough June 13, 2000
414 Sunapee Sullivan May 10, 1999
415 Concord Merrimack May 10, 1999
416 Raymond Rockingham December 21, 2018
417 Nashua Hillsborough April 14, 2015
418 Exeter Rockingham January 14, 2000
419 Suncook Merrimack July 22, 1999
420 Nashua Hillsborough January 25, 1998
421 Derry Rockingham
422 Portsmouth Rockingham
423 Merrimack Hillsborough
424 Merrimack Hillsborough
425 Derry Rockingham
426 Derry Rockingham
427 Portsmouth Rockingham
428 Henniker Merrimack
429 Merrimack Hillsborough
430 Portsmouth Rockingham
431 Portsmouth Rockingham
432 Derry Rockingham
433 Portsmouth Rockingham
434 Derry Rockingham
435 Pittsfield Merrimack
436 Portsmouth Rockingham
437 Derry Rockingham
438 Nashua Hillsborough August 20, 2000
439 Keene Cheshire January 14, 2000
440 Merrimack Hillsborough May 18, 1998
441 Rochester Strafford October 13, 1999
442 Lebanon Grafton January 25, 1998
443 Lebanon Grafton
444 Littleton Grafton
445 Walpole Cheshire January 10, 1996
446 Marlow Cheshire
447 Conway Carroll
448 Lebanon Grafton
449 Milan Coös
450 Concord Merrimack September 11, 2018
451 Concord Merrimack April 8, 2020
452 Conway Carroll May 10, 1999
453 Hampstead Rockingham October 12, 2020
454 Sunapee Sullivan May 10, 1999
455 Laconia Belknap January 25, 1998
456 Warner Merrimack
457 Dover Strafford November 27, 2020
458 Salem Rockingham July 22, 1999
459 Nashua Hillsborough October 13, 1999
460 Manchester Hillsborough January 25, 1998
461 Merrimack Hillsborough July 6, 1997
462 Deerfield Rockingham May 10, 1999
463 Deerfield Rockingham
464 Hillsborough Hillsborough
465 Hollis Hillsborough
466 Gorham Coös
467 Manchester Hillsborough July 4, 1995
468 Seabrook Rockingham October 13, 1999
469 Lebanon Grafton
470 Concord Merrimack April 19, 2001
471 Bedford Hillsborough
472 Bedford Hillsborough
473 Milton Strafford
474 Seabrook Rockingham
475 Salem Rockingham January 14, 2000
476 South Tamworth Carroll
477 Claremont Sullivan February 27, 1999
478 Hillsborough Hillsborough
479 Derry Rockingham
480 Manchester Hillsborough October 15, 1996
481 Manchester Hillsborough
482 Errol Coös
483 Candia Rockingham
484 Nashua Hillsborough September 21, 2016
485 Hooksett Hillsborough
486 Manchester Hillsborough November 20, 1998
487 New Boston Hillsborough
488 Manchester Hillsborough June 13, 2000
489 Manchester Hillsborough October 13, 1999
490 Derry Rockingham February 11, 1995
491 Concord Merrimack July 1, 1996
492 Manchester Hillsborough
493 Merrimack Hillsborough
494 Merrimack Hillsborough
495 Washington Sullivan
496 Concord Merrimack
497 Goffstown Hillsborough
498 Portsmouth Rockingham February 11, 1995
499 Keene Cheshire May 18, 1998
500 Tilton Belknap June 15, 2020
501 Portsmouth Rockingham June 13, 2000
502 Portsmouth Rockingham June 13, 2000
503 Lancaster Coös November 20, 1998
504 Claremont Sullivan February 27, 1999
505 Derry Rockingham October 9, 2002
506 Manchester Hillsborough October 29, 2018
507 Rochester Strafford July 28, 2015
508 Pelham Hillsborough August 8, 2001
509 Dover Strafford September 24, 2001
510 Meriden Sullivan March 29, 2010
512 Manchester Hillsborough May 10, 1999
513 Concord Merrimack June 13, 2000
514 Nashua Hillsborough January 21, 2021
515 Wolfeboro Carroll July 22, 1999
516 Dover Strafford May 10, 1999
517 Merrimack Hillsborough February 27, 1999
518 Manchester Hillsborough July 22, 1999
519 Exeter Rockingham October 4, 2018
520 Laconia Belknap July 1, 1996
521 Nashua Hillsborough October 13, 1999
522 Sanbornville Carroll
523 Canaan Grafton
524 Gilford Belknap
525 Hancock Hillsborough
526 New London Merrimack
527 Laconia Belknap
528 Laconia Belknap
529 Weare Hillsborough
530 Bristol Grafton February 22, 2002
531 Portsmouth Rockingham February 11, 1995
532 Jaffrey Cheshire
533 Merrimack Hillsborough
534 Dover Strafford
535 Plymouth Grafton
536 Plymouth Grafton
537 Derry Rockingham April 15, 1996
538 Pittsburg Coös
539 Center Ossipee Carroll
540 Goffstown Hillsborough August 21, 2001
541 Manchester Hillsborough May 21, 2001
542 Claremont Sullivan
543 Claremont Sullivan
544 Tuftonboro Carroll
545 Concord Merrimack October 13, 1999
546 Nashua Hillsborough January 14, 2000
547 Greenfield Hillsborough
548 Derry Rockingham July 1, 1996
549 Derry Rockingham May 18, 1998
550 Dover Strafford November 18, 2021
551 Manchester Hillsborough
552 Manchester Hillsborough January 25, 1998
553 Derry Rockingham September 11, 1994
554 Milford Hillsborough January 25, 1998
556 Laconia Belknap May 18, 1998
557 Nashua Hillsborough May 18, 1998
558 Claremont Sullivan
559 Portsmouth Rockingham April 1, 1997
560 Salem Rockingham August 20, 2000
561 Nashua Hillsborough September 11, 1994
562 Peterborough Hillsborough January 25, 1998
563 Harrisville Cheshire
564 Manchester Hillsborough
565 Concord Merrimack August 14, 1998
566 Nashua Hillsborough February 11, 1995
567 Peterborough Hillsborough May 18, 1998
568 Concord Merrimack August 6, 2002
569 Wolfeboro Carroll
570 Portsmouth Rockingham August 14, 1998
571 Derry Rockingham April 1, 1997
572 Nashua Hillsborough January 10, 1996
573 Manchester Hillsborough August 14, 1998
574 Alstead Cheshire August 14, 1998
575 Littleton Grafton August 14, 1998
576 Wentworth Grafton August 14, 1998
577 Nashua Hillsborough September 11, 1994
578 Nashua Hillsborough January 10, 1996
579 Nashua Hillsborough July 6, 1997
580 Exeter Rockingham August 20, 2000
581 Laconia Belknap August 20, 2000
582 Merrimack Hillsborough July 1, 1996
583 Exeter Rockingham May 18, 1998
584 Concord Merrimack June 29, 2021
585 Fitzwilliam Cheshire
586 Jefferson Coös
587 Manchester Hillsborough January 25, 1998
588 Antrim Hillsborough
589 Nashua Hillsborough January 14, 2000
590 Durham Strafford May 10, 1999
591 Manchester Hillsborough October 31, 2000
592 Chesterfield Cheshire August 14, 1998
593 Jaffrey Cheshire June 26, 2003
594 Nashua Hillsborough
595 Nashua Hillsborough
596 Nashua Hillsborough
597 Lyme Grafton August 14, 1998
598 Nashua Hillsborough
599 Nashua Hillsborough
600 Manchester Hillsborough May 29, 2020
601 Hampton Rockingham June 30, 2001
602 Rollinsford Strafford December 4, 2020
604 Hampton Rockingham April 24, 2019
605 Dover Strafford December 12, 2016
606 Manchester Hillsborough May 10, 1999
607 Chesterfield Cheshire August 13, 2020
608 Northwood Rockingham January 22, 2002
609 Dover Strafford August 20, 2000
610 Portsmouth Rockingham June 13, 2000
612 Plaistow Rockingham October 13, 1999
613 Colebrook Coös November 20, 1998
614 West Chesterfield Cheshire November 20, 1998
615 Manchester Hillsborough February 27, 1999
616 Littleton Grafton February 27, 1999
617 Dover Strafford June 13, 2000
618 Warren Grafton August 14, 1998
620 Merrimack Hillsborough April 1, 1997
621 Manchester Hillsborough January 10, 1996
622 Manchester Hillsborough
623 Manchester Hillsborough
624 Manchester Hillsborough
625 Manchester Hillsborough
626 Manchester Hillsborough
627 Manchester Hillsborough
628 Manchester Hillsborough
629 Manchester Hillsborough July 6, 1997
630 Laconia Belknap January 22, 2002
631 Lancaster Coös February 22, 2002
632 Enfield Grafton
633 Manchester Hillsborough May 21, 2001
634 Manchester Hillsborough
635 Pelham Hillsborough
636 Groveton Coös
637 Bedford Hillsborough January 25, 1998
638 Monroe Grafton January 10, 1996
639 Manchester Hillsborough
640 Hanover Grafton
641 Manchester Hillsborough
642 Kingston Rockingham
643 Hanover Grafton
644 Manchester Hillsborough
645 Manchester Hillsborough
646 Hanover Grafton
647 Manchester Hillsborough
648 Andover Merrimack
650 Hanover Grafton
651 Center Ossipee Carroll January 25, 1998
652 Rochester Strafford
653 Hanover Grafton May 18, 1998
654 Wilton Hillsborough
655 Manchester Hillsborough July 1, 1996
656 Manchester Hillsborough April 15, 1996
657 Manchester Hillsborough January 14, 2000
658 Exeter Rockingham May 10, 1999
659 Newmarket Rockingham
660 Goffstown Hillsborough February 22, 2002
661 Manchester Hillsborough October 15, 1996
662 Conway Carroll January 25, 1998
663 Manchester Hillsborough October 15, 1996
664 Barrington Strafford
665 Manchester Hillsborough May 18, 1998
666 Manchester Hillsborough
667 Lebanon Grafton August 14, 1998
668 Manchester Hillsborough
669 Manchester Hillsborough
670 Merrimack Hillsborough October 31, 2000
671 Franklin Merrimack August 14, 1998
672 Milford Hillsborough
673 Milford Hillsborough
674 Manchester Hillsborough November 20, 1998
675 Cornish Sullivan January 10, 1996
676 Hanover Grafton May 10, 1999
677 Meredith Belknap August 14, 1998
678 Lebanon Grafton August 14, 1998
679 Epping Rockingham
680 Hillsborough Hillsborough April 23, 2004
681 Salem Rockingham June 13, 2000
682 Manchester Hillsborough February 27, 1999
683 Merrimack Hillsborough October 13, 1999
684 Lancaster Coös May 18, 1998
685 Salem Rockingham October 13, 1999
686 Exeter Rockingham September 12, 2002
687 Jackson Carroll May 10, 1999
688 Concord Merrimack February 24, 2021
689 Nashua Hillsborough August 20, 2000
690 Claremont Sullivan August 14, 1998
692 Somersworth Strafford
693 Epping Rockingham August 20, 2000
694 Chatham Carroll January 10, 1996
695 Manchester Hillsborough
696 Manchester Hillsborough May 17, 2021
701 Rochester Strafford October 22, 2009
702 Kingston Rockingham July 8, 2002
703 Manchester Hillsborough August 18, 2004
704 Derry Rockingham March 26, 2019
705 Salisbury Merrimack November 17, 2009
706 Raymond Rockingham June 13, 2000
707 Meredith Belknap July 28, 2004
708 Canterbury Merrimack February 18, 2005
709 Plainfield Sullivan August 17, 2004
710 Washington Sullivan March 2, 2021
712 Warren Grafton November 20, 1998
714 Manchester Hillsborough November 19, 2001
715 Concord Merrimack October 13, 1999
716 Manchester Hillsborough June 4, 2008
717 Concord Merrimack January 14, 2000
718 Nashua Hillsborough May 8, 2009
719 Keene Cheshire May 10, 1999
721 Milford Hillsborough July 8, 2002
722 Manchester Hillsborough May 14, 2008
723 Berlin Coös February 27, 1999
724 Manchester Hillsborough January 14, 2000
725 Tamworth Carroll November 20, 1998
726 Plymouth Grafton
727 Lebanon Grafton August 20, 2000
728 North Woodstock Grafton May 18, 1998
729 Tilton Belknap August 14, 1998
730 North Conway Carroll August 14, 1998
731 Concord Merrimack July 1, 1996
732 Nashua Hillsborough January 25, 1998
733 North Conway Carroll August 14, 1998
734 Epping Rockingham August 14, 1998
735 Andover Merrimack
736 Northwood Merrimack
737 Laconia Belknap May 10, 1999
738 Concord Merrimack August 20, 2000
739 North Woodstock Grafton November 20, 1998
740 Dover Strafford
741 New Boston Hillsborough August 20, 2000
742 Dover Strafford
743 Dover Strafford
744 Bristol Grafton
745 Lincoln Grafton
746 Contoocook Merrimack
747 Woodsville Grafton
748 Warner Merrimack June 20, 2003
749 Dover Strafford
750 Dover Strafford July 6, 1997
751 Nashua Hillsborough January 25, 1998
752 Berlin Coös
753 Concord Merrimack
754 Lancaster Coös May 10, 1999
755 Farmington Strafford
756 North Walpole Cheshire
757 Keene Cheshire January 14, 2000
758 Hampton Rockingham October 31, 2000
759 Nashua Hillsborough July 1, 1996
760 Seabrook Rockingham May 20, 2002
761 Littleton Grafton May 10, 1999
762 Keene Cheshire April 15, 1996
763 Sunapee Sullivan
764 Warren Grafton
765 Nashua Hillsborough June 13, 2000
766 Portsmouth Rockingham November 20, 1998
767 Dover Strafford
768 Andover Merrimack
769 Manchester Hillsborough August 14, 1998
770 Exeter Rockingham February 11, 1995
771 Manchester Hillsborough
772 Exeter Rockingham
773 Exeter Rockingham February 11, 1995
774 Bow Merrimack
775 Exeter Rockingham April 1, 1997
776 New Durham Strafford
777 Exeter Rockingham July 6, 1997
778 Exeter Rockingham
779 Plymouth Grafton August 14, 1998
780 Canaan Grafton November 20, 1998
781 Dover Strafford April 15, 1996
782 Manchester Hillsborough May 18, 1998
783 Canterbury Merrimack
784 Peterborough Hillsborough August 14, 1998
785 Manchester Hillsborough June 13, 2000
786 Wentworth Grafton
787 Woodsville Grafton
788 Lancaster Coös
789 Andover Merrimack January 14, 2000
790 West Lebanon Grafton October 25, 2002
791 Nashua Hillsborough
792 Manchester Hillsborough May 10, 1999
793 Exeter Rockingham May 20, 2002
795 Lyme Grafton
796 Concord Merrimack
797 Plaistow Rockingham August 14, 1998
798 Loudon Merrimack
799 Manchester Hillsborough March 3, 2001
800 Meredith Belknap December 9, 2019
801 Milford Hillsborough March 16, 2001
803 Keene Cheshire October 20, 2016
808 Antrim Hillsborough November 23, 2009
809 Nashua Hillsborough March 13, 2007
810 Nashua Hillsborough June 1, 2021
812 Portsmouth Rockingham June 13, 2000
813 Center Barnstead Belknap October 30, 2009
814 Seabrook Rockingham July 30, 2010
815 Durham Strafford December 6, 2007
816 Nashua Hillsborough May 10, 1999
817 Dover Strafford December 19, 2001
818 Derry Rockingham July 8, 2002
819 Plaistow Rockingham November 20, 1998
820 Merrimack Hillsborough March 10, 2008
821 Nashua Hillsborough May 10, 1999
822 Rochester Strafford August 20, 2000
823 Franconia Grafton
824 Nashua Hillsborough January 25, 1998
825 Manchester Hillsborough January 13, 2022
826 Charlestown Sullivan
827 Harrisville Cheshire
828 Portsmouth Rockingham January 22, 2002
829 Sunapee Sullivan August 14, 1998
831 Greenfield Hillsborough December 14, 2004
832 Laconia Belknap August 20, 2000
833 Rochester Strafford October 5, 2004
834 Dover Strafford June 13, 2000
835 Alstead Cheshire
836 Manchester Hillsborough October 25, 2002
837 Whitefield Coös
838 Lisbon Grafton
839 Farmington Strafford October 13, 2006
840 Epsom Merrimack November 16, 2009
841 Somersworth Strafford October 31, 2000
842 Dover Strafford August 20, 2000
843 Newport Sullivan May 10, 1999
845 Derry Rockingham January 14, 2000
846 Bethlehem Coös
847 Sullivan Cheshire
848 Concord Merrimack July 1, 1996
850 Lisbon Grafton
851 Manchester Hillsborough October 13, 1999
852 Keene Cheshire March 3, 2001
853 Woodsville Grafton May 10, 1999
854 Manchester Hillsborough December 6, 2002
855 Alton Belknap October 30, 2009
856 Concord Merrimack January 14, 2000
857 Suncook Merrimack April 21, 2022
858 Manchester Hillsborough June 13, 2000
859 New Durham Strafford
860 Manchester Hillsborough July 1, 1996
861 Tamworth Carroll August 14, 1998
862 Durham Strafford April 26, 2001
863 Newport Sullivan
864 Nashua Hillsborough May 10, 1999
865 Newport Sullivan February 27, 1999
866 Dover Strafford March 3, 2001
867 Manchester Hillsborough February 27, 1999
868 Durham Strafford
869 Bethlehem Coös
870 Salem Rockingham October 11, 1997
871 Sanbornville Carroll November 20, 1998
872 Gilmanton Ironworks Belknap October 30, 2009
873 Sunapee Sullivan August 14, 1998
874 Bath Grafton August 14, 1998
875 Alton Belknap
876 Marlborough Cheshire
877 New London Merrimack November 17, 2009
878 Greenville Hillsborough
879 Nashua Hillsborough May 18, 1998
880 Nashua Hillsborough
881 Nashua Hillsborough
882 Nashua Hillsborough
883 Nashua Hillsborough
884 Nashua Hillsborough
885 Nashua Hillsborough
886 Nashua Hillsborough
887 Chester Rockingham
888 Nashua Hillsborough
889 Nashua Hillsborough
890 Salem Rockingham
891 Nashua Hillsborough
892 Concord Merrimack March 3, 2001
893 Salem Rockingham
894 Salem Rockingham
895 Raymond Rockingham
896 Salem Rockingham April 15, 1996
897 Nashua Hillsborough July 4, 1995
898 Salem Rockingham
899 Rindge Cheshire
900 Newport Sullivan June 15, 2020
901 Conway Carroll February 26, 2016
902 Newbury Merrimack November 17, 2009
903 Keene Cheshire October 13, 2005
904 Walpole Cheshire August 22, 2005
905 Barrington Strafford September 20, 2006
906 Rochester Strafford October 30, 2009
910 Hampton Rockingham August 20, 2000
912 Salem Rockingham August 20, 2000
913 Manchester Hillsborough June 13, 2000
915 Gorham Coös February 22, 2002
918 Hampton Rockingham April 19, 2002
921 Nashua Hillsborough July 6, 2009
922 North Stratford Coös
923 Rochester Strafford August 14, 1998
924 Peterborough Hillsborough
925 Peterborough Hillsborough May 10, 1999
926 Hampton Rockingham
927 New London Merrimack
928 Suncook Merrimack June 13, 2000
929 Hampton Rockingham
930 Nashua Hillsborough February 27, 1999
931 Concord Merrimack May 21, 2015
932 Manchester Hillsborough August 20, 2008
933 Greenfield Hillsborough July 7, 2008
934 Franklin Merrimack
935 Manchester Hillsborough March 27, 2006
937 Meredith Belknap June 6, 2008
938 Newbury Merrimack
939 North Conway Carroll January 10, 1996
941 Wolfeboro Carroll August 14, 1998
942 Northwood Rockingham
943 Nashua Hillsborough November 20, 1998
944 East Kingston Rockingham December 19, 2001
945 Manchester Hillsborough August 1, 2007
947 Plymouth Grafton May 10, 1999
948 Rochester Strafford February 26, 2008
951 Milan Coös November 20, 1998
952 Salem Rockingham August 14, 1998
953 Dover Strafford August 20, 2000
957 Portsmouth Rockingham January 22, 2002
960 Campton Grafton January 22, 2008
961 Chichester Merrimack November 17, 2009
964 Rye Rockingham
965 Derry Rockingham August 20, 2000
966 Nashua Hillsborough February 22, 2002
967 Hampton Rockingham August 14, 1998
968 Holderness Grafton
969 Portsmouth Rockingham May 20, 2002
970 Dover Strafford March 22, 2006
971 Rindge Cheshire May 10, 1999
973 Rochester Strafford May 20, 2002
974 Plaistow Rockingham May 10, 1999
975 Concord Merrimack November 16, 2009
977 Andover Merrimack November 17, 2009
978 Dover Strafford March 16, 2001
986 North Conway Carroll April 19, 2002
988 Portsmouth Rockingham October 17, 2001
989 Woodsville Grafton
991 Littleton Grafton February 22, 2002
992 Andover Merrimack November 20, 1998
994 Rochester Strafford May 10, 1999
995 Henniker Merrimack August 9, 2002
996 Plymouth Grafton August 9, 2002
997 Hampton Rockingham August 9, 2002
998 Laconia Belknap July 8, 2002
999 Salem Rockingham December 9, 2019

References

[edit]
  1. ^ "New Hampshire Public Utilities Commission". Archived from the original on September 29, 2011. Retrieved November 20, 2010.
  2. ^ Dave Brooks (18 May 2016). "Area code 603 will reign supreme thanks to technology". The Concord Monitor. Retrieved 17 March 2019.
  3. ^ "Transition to 10-digit dialing (for 988 as 3-digit access to National Suicide Prevention Hotline)" (PDF). North American Numbering Plan Administrator. January 8, 2021. Retrieved March 9, 2021.
  4. ^ "Area Code 603". www.area-codes.com. Retrieved 2022-05-12.
[edit]
New Hampshire area codes: 603
North: 819
West: 802 area code 603 East: 207
South: 351/978, 413
Massachusetts area codes: 413, 508/774, 617/857, 781/339, 978/351
Maine area codes: 207
Quebec area codes: 418/581/367, 450/579/354, 514/438/263, 819/873/468
Vermont area codes: 802
Retrieved from "https://en.wikipedia.org/w/index.php?title=Area_code_603&oldid=1190381891"