Area code (NPA) in-service dates (by NPA)

(go to list sorted by date)

NPA date state/province
201 New Jersey
202 District of Columbia
203 Connecticut
204 Manitoba
205 Alabama
206 Washington
207 Maine
208 Idaho
209 California
210 Texas
212 New York
213 California
214 Texas
215 Pennsylvania
216 Ohio
217 Illinois
218 Minnesota
219 Indiana
220 Ohio
223 Pennsylvania
224 Illinois
225 Louisiana
226 Ontario
(227) Maryland (will overlay 301 & 240)
228 Mississippi
229 Georgia
231 Michigan
234 Ohio
(235) Missouri (will overlay 573)
236 British Columbia
239 Florida
240 Maryland
242 Bahamas
246 Barbados
248 Michigan
249 Ontario
250 British Columbia
251 Alabama
252 North Carolina
253 Washington
254 Texas
256 Alabama
(257) British Columbia (entire province)
260 Indiana
262 Wisconsin
(263) Québec (will overlay 514 & 438)
264 Anguilla
267 Pennsylvania
268 Antigua & Barbuda
269 Michigan
270 Kentucky
272 Pennsylvania
(274) Wisconsin (will overlay 920, was to be )
276 Virginia
279 California
281 Texas
(283) Ohio (will overlay 513)
284 British Virgin Islands
289 Ontario
301 Maryland
302 Delaware
303 Colorado
304 West Virginia
305 Florida
306 Saskatchewan
307 Wyoming
308 Nebraska
309 Illinois
310 California
312 Illinois
313 Michigan
314 Missouri
315 New York
316 Kansas
317 Indiana
318 Louisiana
319 Iowa
320 Minnesota
321 Florida
323 California
(324) Florida (will overlay 904)
325 Texas
326 Ohio
(327) Arkansas (will overlay 870)
(329) New York (will overlay 845)
330 Ohio
331 Illinois
332 New York
334 Alabama
336 North Carolina
337 Louisiana
339 Massachusetts
340 US Virgin Islands
341 California
343 Ontario
345 Cayman Islands
346 Texas
347 New York
(350) California; (will overlay 209; date finally announced)
351 Massachusetts
352 Florida
(353) Wisconsin (will overlay 608)
(354) Québec (will overlay 450 & 579)
360 Washington
361 Texas
(363) New York (will overlay 516)
364 Kentucky
365 Ontario
367 Quebec
368 Alberta
(369) California (will overlay 707)
380 Ohio
(382) Ontario (will overlay 519)
385 Utah
386 Florida
(387) Ontario (will overlay 416)
401 Rhode Island
402 Nebraska
403 Alberta
404 Georgia
405 Oklahoma
406 Montana
407 Florida
408 California
409 Texas
410 Maryland
412 Pennsylvania
413 Massachusetts
414 Wisconsin
415 California
416 Ontario
417 Missouri
418 Quebec
419 Ohio
423 Tennessee
424 California
425 Washington
(428)
New Brunswick
430 Texas
431 Manitoba
432 Texas
434 Virginia
435 Utah
437 Ontario
438 Quebec
440 Ohio
441 Bermuda
442 California
443 Maryland
445 Pennsylvania
447 Illinois (overlays 217)
448 Florida (overlays 850)
450 Quebec
456 (non-geographic, withdrawn )
458 Oregon
463 Indiana
464 Illinois (overlays 708)
(468) Québec (will overlay 819 & 873)
469 Texas
470 Georgia
(472) North Carolina (will overlay 910)
473 Grenada
474 Saskatchewan
475 Connecticut
478 Georgia
479 Arkansas
480 Arizona
484 Pennsylvania
501 Arkansas
502 Kentucky
503 Oregon
504 Louisiana
505 New Mexico
506 New Brunswick (originally included NL)
507 Minnesota
508 Massachusetts
509 Washington
510 California
512 Texas
513 Ohio
514 Quebec
515 Iowa
516 New York
517 Michigan
518 New York
519 Ontario
520 Arizona
521   (non-geographic)
522   (non-geographic)
523   (non-geographic)
524   (non-geographic)
525 ‎2020-07-13‎   (non-geographic)
526   (non-geographic)
527   (non-geographic)
528   (non-geographic)
529   (non-geographic)
530 California
531 Nebraska
(532) ?   (future non-geographic)
533   (non-geographic)
534 Wisconsin
539 Oklahoma
540 Virginia
541 Oregon
544   (non-geographic)
548 Ontario
551 New Jersey
557 Missouri (overlays 314)
559 California
561 Florida
562 California
563 Iowa
564 Washington
566   (non-geographic)
567 Ohio
570 Pennsylvania
571 Virginia
572 Oklahoma (overlays 405)
573 Missouri
574 Indiana
575 New Mexico
577   (non-geographic)
579 Quebec
580 Oklahoma
581 Quebec
582 Pennsylvania (overlays 814)
(584) Manitoba (will overlay 204 & 431)
585 New York
586 Michigan
587 Alberta
588   (non-geographic)
600 Canada
601 Mississippi
602 Arizona
603 New Hampshire
604 British Columbia
605 South Dakota
606 Kentucky
607 New York
608 Wisconsin
609 New Jersey
610 Pennsylvania
612 Minnesota
613 Ontario
614 Ohio
615 Tennessee
616 Michigan
617 Massachusetts
618 Illinois
619 California
620 Kansas
622 Canada
623 Arizona
626 California
628 California
629 Tennessee
630 Illinois
631 New York
636 Missouri
639 Saskatchewan
640 New Jersey
641 Iowa
646 New York
(645) Florida (will overlay 305 & 786)
647 Ontario
649 Turks & Caicos
650 California
651 Minnesota
656 Florida (overlays 813)
657 California
658 Jamaica
659 Alabama
660 Missouri
661 California
662 Mississippi
664 Montserrat
667 Maryland
669 California
670 Northern Mariana Islands
671 Guam
672 British Columbia
678 Georgia
680 New York
681 West Virginia
682 Texas
683 Ontario (overlays 705 & 249)
684 American Samoa
689 Florida
700   (non-geographic)
701 North Dakota
702 Nevada
703 Virginia
704 North Carolina
705 Ontario
706 Georgia
707 California
708 Illinois
709 Newfoundland & Labrador
710 US Federal Government
712 Iowa
713 Texas
714 California
715 Wisconsin
716 New York
717 Pennsylvania
718 New York
719 Colorado
720 Colorado
721 Sint Maarten
724 Pennsylvania
725 Nevada
726 Texas
727 Florida
(728) Florida (will overlay 561)
(730) Illinois (will overlay 618)
731 Tennessee
732 New Jersey
734 Michigan
737 Texas
740 Ohio
742 Ontario (overlays 905 & 289 & 365)
743 North Carolina
747 California
753 Ontario (overlays 613 & 343)
754 Florida
757 Virginia
758 St Lucia
760 California
762 Georgia
763 Minnesota
765 Indiana
767 Dominica
769 Mississippi
770 Georgia
771 District of Columbia (overlays 202)
772 Florida
773 Illinois
774 Massachusetts
775 Nevada
778 British Columbia
779 Illinois
780 Alberta
781 Massachusetts
782 Nova Scotia & Prince Edward Island
784 St Vincent & the Grenadines
785 Kansas
786 Florida
787 Puerto Rico
(789)   —
800   (non-geographic)
801 Utah
802 Vermont
803 South Carolina
804 Virginia
805 California
806 Texas
807 Ontario
808 Hawaii
809 Caribbean*
*(809 originally served as many as 17 island countries & territories, mostly in the Caribbean. Since , 809 serves only the Dominican Republic.)
810 Michigan
812 Indiana
813 Florida
814 Pennsylvania
815 Illinois
816 Missouri
817 Texas
818 California
819 Quebec
820 California
825 Alberta
826 Virginia (overlays 540)
828 North Carolina
829 Dominican Republic
830 Texas
831 California
832 Texas
833   (non-geographic)
835 Pennsylvania (overlays 610 & 484)
838 New York
839 South Carolina (overlays 803)
840 California (overlays 909)
843 South Carolina
844   (non-geographic)
845 New York
847 Illinois
848 New Jersey
849 Dominican Republic
850 Florida
854 South Carolina
855   (non-geographic)
856 New Jersey
857 Massachusetts
858 California
859 Kentucky
860 Connecticut
(861) Illinois (will overlay 309)
862 New Jersey
863 Florida
864 South Carolina
865 Tennessee
866   (non-geographic)
867 Yukon & NWT & Nunavut*
*(Yukon and present-day Northwest Territories, plus a portion of present-day Nunavut, were previously served by area code 403. The remainder of Nunavut was served by area code 819.)
868 Trinidad & Tobago
869 St Kitts & Nevis
870 Arkansas
872 Illinois
873 Quebec
876 Jamaica
877   (non-geographic)
878 Pennsylvania
(879) ()
Newfoundland & Labrador (postponed indefinitely)
888   (non-geographic)
900   (non-geographic)
901 Tennessee
902 Nova Scotia & Prince Edward Island*
* Area code 902 originally served all of the maritime provinces: New Brunswick, Nova Scotia, Prince Edward Island, and the U.K. Dominion of Newfoundland (which became part of Canada in 1949 and subsequently changed its name to Newfoundland & Labrador)
903 Texas
904 Florida
905 Ontario
906 Michigan
907 Alaska
908 New Jersey
909 California
910 North Carolina
912 Georgia
913 Kansas
914 New York
915 Texas
916 California
917 New York
918 Oklahoma
919 North Carolina
920 Wisconsin
925 California
928 Arizona
929 New York
930 Indiana
931 Tennessee
934 New York
936 Texas
937 Ohio
938 Alabama
939 Puerto Rico
940 Texas
941 Florida
943 Georgia (overlays 404 & 770 & 678 & 470)
945 Texas (overlays 214 & 972 & 469)
947 Michigan
948 Virginia (overlays 757)
949 California
951 California
952 Minnesota
954 Florida
956 Texas
959 Connecticut
970 Colorado
971 Oregon
972 Texas
973 New Jersey
(975) Missouri (will overlay 816)
978 Massachusetts
979 Texas
980 North Carolina
983 Colorado
984 North Carolina
985 Louisiana
986 Idaho
989 Michigan