NPA	date	state/province
⬇︎ Original 1947 Assignments ⬇︎
201	1947	New Jersey
202	1947	District of Columbia
203	1947	Connecticut
204	1947	🇨🇦 Manitoba
205	1947	Alabama
206	1947	Washington
207	1947	Maine
208	1947	Idaho
212	1947	New York
213	1947	California
214	1947	Texas
215	1947	Pennsylvania
216	1947	Ohio
217	1947	Illinois
218	1947	Minnesota
301	1947	Maryland
302	1947	Delaware
303	1947	Colorado
304	1947	West Virginia
305	1947	Florida
306	1947	🇨🇦 Saskatchewan
307	1947	Wyoming
312	1947	Illinois
313	1947	Michigan
314	1947	Missouri
315	1947	New York
316	1947	Kansas
317	1947	Indiana
319	1947	Iowa
401	1947	Rhode Island
402	1947	Nebraska
403	1947	🇨🇦 Alberta✻
✻(until 1997-10-21, 403 also served all of Yukon and present-day NWT, plus the western part of Nunavut)
404	1947	Georgia
405	1947	Oklahoma
406	1947	Montana
412	1947	Pennsylvania
413	1947	Massachusetts
414	1947	Wisconsin
415	1947	California
416	1947	🇨🇦 Ontario
418	1947	🇨🇦 Québec
419	1947	Ohio
501	1947	Arkansas
502	1947	Kentucky
503	1947	Oregon
504	1947	Louisiana
505	1947	New Mexico
512	1947	Texas
513	1947	Ohio
514	1947	🇨🇦 Québec
515	1947	Iowa
517	1947	Michigan
518	1947	New York
601	1947	Mississippi
602	1947	Arizona
603	1947	New Hampshire
604	1947	🇨🇦 British Columbia
605	1947	South Dakota
612	1947	Minnesota
613	1947	🇨🇦 Ontario
614	1947	Ohio
616	1947	Michigan
617	1947	Massachusetts
618	1947	Illinois
701	1947	North Dakota
702	1947	Nevada
703	1947	Virginia
704	1947	North Carolina
712	1947	Iowa
713	1947	Texas
715	1947	Wisconsin
716	1947	New York
717	1947	Pennsylvania
801	1947	Utah
802	1947	Vermont
803	1947	South Carolina
812	1947	Indiana
814	1947	Pennsylvania
815	1947	Illinois
816	1947	Missouri
901	1947	Tennessee
902	1947	🇨🇦 Nova Scotia & Prince Edward Island✻
✻(until 1955, 902 also served New Brunswick and Newfoundland & Labrador)
913	1947	Kansas
914	1947	New York
915	1947	Texas
916	1947	California
⬆︎ Original 1947 Assignments ⬆︎
⬇︎ Added after 1947 ⬇︎
219	1948	Indiana
417	1950	Missouri
516	1951	New York
714	1951	California
519	1953	🇨🇦 Ontario
813	1953	Florida
817	1953	Texas
918	1953	Oklahoma
912	1954-07-01	Georgia
507	1954	Minnesota
607	1954	New York
615	1954	Tennessee
919	1954	North Carolina
308	1955	Nebraska
506	1955	🇨🇦 New Brunswick✻
✻(until 1962, 506 also served Newfoundland & Labrador)
606	1955	Kentucky
608	1955	Wisconsin
509	1957-01-01	Washington
808	1957-08-08	Hawaii [not previously customer-dialable]
209	1957-10-26	California
309	1957	Illinois
318	1957	Louisiana
609	1957	New Jersey
705	1957	🇨🇦 Ontario
805	1957	California
806	1957	Texas
819	1957	🇨🇦 Québec✻
✻(until 1997-10-21, 819 also served the eastern part of present-day Nunavut)
907	1957	Alaska [not previously customer-dialable]
809	1958	Caribbean✻
✻(809 originally served as many as 17 island countries & territories, mostly in the Caribbean. Since 1999-05-31, 809 serves only the Dominican Republic.)
408	1959-03-01	California
707	1959-03-01	California
906	1961-03-19	Michigan
709	1962	🇨🇦 Newfoundland & Labrador
807	1962	🇨🇦 Ontario
904	1965-07-11	Florida
800	1966-01-01	— (non-geographic)
900	1971-01-01	— (non-geographic)
804	1973-06-24	Virginia
409	1982-11-01	Texas
619	1982-11-05	California
700	1984-01-01	— (non-geographic)
818	1984-01-07	California
718	1984-09-01	New York
710	1984-09-18	🇺🇸 US Federal Government
719	1988-03-05	Colorado
407	1988-04-16	Florida
508	1988-07-16	Massachusetts
708	1989-11-11	Illinois
908	1990-11-01	New Jersey
903	1990-11-04	Texas
510	1991-09-02	California
410	1991-10-06	Maryland
310	1991-11-02	California
917	1992-01-01	New York
706	1992-05-03	Georgia
210	1992-11-01	Texas
909	1992-11-14	California
456	1993-08-16	— (non-geographic) [withdrawn 2017-11-27]
600	1993-10-01	🇨🇦 Canada
905	1993-10-02	🇨🇦 Ontario
910	1993-11-14	North Carolina
810	1993-12-01	Michigan
610	1994-01-08	Pennsylvania
⬆︎ 0 or 1 as middle digit ⬆︎
⬇︎ 2 through 8 as middle digit ⬇︎
334	1995-01-15	Alabama
360	1995-01-15	Washington
520	1995-03-19	Arizona
970	1995-04-02	Colorado
941	1995-05-28	Florida
540	1995-07-15	Virginia
770	1995-08-01	Georgia
860	1995-08-28	Connecticut
423	1995-09-11	Tennessee
954	1995-09-11	Florida
441	1995-10-01	🇧🇲 Bermuda
541	1995-11-05	Oregon
352	1995-12-03	Florida
864	1995-12-03	South Carolina
573	1996-01-07	Missouri
847	1996-01-20	Illinois
787	1996-03-01	🇵🇷 Puerto Rico
888	1996-03-01	— (non-geographic)
330	1996-03-09	Ohio
320	1996-03-17	Minnesota
268	1996-04-01	🇦🇬 Antigua & Barbuda
561	1996-05-13	Florida
246	1996-07-01	🇧🇧 Barbados
664	1996-07-01	🇲🇸 Montserrat
757	1996-07-01	Virginia
758	1996-07-01	🇱🇨 St Lucia
630	1996-08-03	Illinois
345	1996-09-01	🇰🇾 Cayman Islands
972	1996-09-14	Texas
937	1996-09-28	Ohio
242	1996-10-01	🇧🇸 Bahamas
869	1996-10-01	🇰🇳 St Kitts & Nevis
773	1996-10-12	Illinois
250	1996-10-19	🇨🇦 British Columbia
281	1996-11-02	Texas
562	1997-01-25	California
765	1997-02-01	Indiana
760	1997-03-22	California
264	1997-03-31	🇦🇮 Anguilla
870	1997-04-14	Arkansas
253	1997-04-27	Washington
425	1997-04-27	Washington
876	1997-05-01	🇯🇲 Jamaica
248	1997-05-10	Michigan
254	1997-05-25	Texas
940	1997-05-25	Texas
649	1997-05-31	🇹🇨 Turks & Caicos
240	1997-06-01	Maryland
340	1997-06-01	🇻🇮 US Virgin Islands
443	1997-06-01	Maryland
732	1997-06-01	New Jersey
868	1997-06-01	🇹🇹 Trinidad & Tobago
973	1997-06-01	New Jersey
626	1997-06-14	California
850	1997-06-23	Florida
670	1997-07-01	🇲🇵 Northern Mariana Islands
671	1997-07-01	🇬🇺 Guam
830	1997-07-07	Texas
956	1997-07-07	Texas
785	1997-07-20	Kansas
920	1997-07-26	Wisconsin
650	1997-08-02	California
440	1997-08-16	Ohio
781	1997-09-01	Massachusetts
978	1997-09-01	Massachusetts
228	1997-09-15	Mississippi
931	1997-09-15	Tennessee
435	1997-09-21	Utah
284	1997-10-01	🇻🇬 British Virgin Islands
767	1997-10-01	🇩🇲 Dominica
660	1997-10-12	Missouri
867	1997-10-21	🇨🇦 Yukon & NWT & Nunavut
473	1997-10-31	🇬🇩 Grenada
530	1997-11-01	California
580	1997-11-01	Oklahoma
740	1997-12-06	Ohio
734	1997-12-13	Michigan
336	1997-12-15	North Carolina
678	1998-01-06	Georgia
724	1998-02-01	Pennsylvania
925	1998-03-14	California
252	1998-03-22	North Carolina
828	1998-03-22	North Carolina
843	1998-03-22	South Carolina
256	1998-03-23	Alabama
877	1998-04-04	— (non-geographic)
949	1998-04-18	California
784	1998-06-01	🇻🇨 St Vincent & the Grenadines
323	1998-06-13	California
450	1998-06-13	🇨🇦 Québec
727	1998-07-01	Florida
786	1998-07-01	Florida
831	1998-07-11	California
651	1998-07-12	Minnesota
225	1998-08-17	Louisiana
720	1998-09-01	Colorado
559	1998-11-14	California
570	1998-12-05	Pennsylvania
775	1998-12-12	Nevada
832	1999-01-16	Texas
780	1999-01-25	🇨🇦 Alberta
361	1999-02-13	Texas
661	1999-02-13	California
480	1999-04-01	Arizona
623	1999-04-01	Arizona
270	1999-04-19	Kentucky
662	1999-04-19	Mississippi
636	1999-05-22	Missouri
231	1999-06-05	Michigan
856	1999-06-12	New Jersey
858	1999-06-12	California
267	1999-07-01	Pennsylvania
469	1999-07-01	Texas
484	1999-07-01	Pennsylvania
646	1999-07-09	New York
863	1999-09-20	Florida
262	1999-09-25	Wisconsin
347	1999-10-01	New York
337	1999-10-11	Louisiana
321	1999-11-01	Florida
631	1999-11-01	New York
865	1999-11-01	Tennessee
936	2000-02-19	Texas
979	2000-02-19	Texas
763	2000-02-27	Minnesota
952	2000-02-27	Minnesota
571	2000-03-01	Virginia
859	2000-04-01	Kentucky
845	2000-06-05	New York
641	2000-07-09	Iowa
866	2000-07-29	— (non-geographic)
229	2000-08-01	Georgia
478	2000-08-01	Georgia
971	2000-10-01	Oregon
682	2000-10-07	Texas
234	2000-10-30	Ohio
620	2001-02-03	Kansas
731	2001-02-12	Tennessee
985	2001-02-12	Louisiana
386	2001-02-15	Florida
647	2001-03-05	🇨🇦 Ontario
563	2001-03-25	Iowa
980	2001-04-01	North Carolina
339	2001-04-02	Massachusetts
351	2001-04-02	Massachusetts
774	2001-04-02	Massachusetts
857	2001-04-02	Massachusetts
989	2001-04-07	Michigan
434	2001-06-01	Virginia
289	2001-06-09	🇨🇦 Ontario
251	2001-06-18	Alabama
928	2001-06-23	Arizona
878	2001-08-17	Pennsylvania
276	2001-09-01	Virginia
470	2001-09-02	Georgia
939	2001-09-15	🇵🇷 Puerto Rico
586	2001-09-22	Michigan
754	2001-09-23	Florida
778	2001-11-03	🇨🇦 British Columbia
585	2001-11-15	New York
551	2001-12-29	New Jersey
848	2001-12-29	New Jersey
862	2001-12-29	New Jersey
567	2002-01-01?	Ohio
224	2002-01-05	Illinois
260	2002-01-15	Indiana
574	2002-01-15	Indiana
479	2002-01-19	Arkansas
772	2002-02-11	Florida
239	2002-03-11	Florida
269	2002-07-13	Michigan
947	2002-09-07	Michigan
325	2003-04-05	Texas
432	2003-04-05	Texas
430	2003-04-28	Texas
951	2004-07-17	California
684	2004-10-02	🇦🇸 American Samoa
769	2005-04-18	Mississippi
829	2005-10-01	🇩🇴 Dominican Republic
762	2006-05-16	Georgia
424	2006-08-26	California
226	2006-10-28	🇨🇦 Ontario
438	2006-10-28	🇨🇦 Québec
779	2007-03-17	Illinois
331	2007-10-07	Illinois
575	2007-10-07	New Mexico
581	2008-09-19	🇨🇦 Québec
587	2008-09-19	🇨🇦 Alberta
657	2008-09-23	California
681	2009-03-28	West Virginia
385	2009-03-29	Utah
747	2009-05-18	California
849	2009-07-01	🇩🇴 Dominican Republic
533	2009-09-26	— (non-geographic)
872	2009-11-07	Illinois
442	2009-11-21	California
475	2009-12-12	Connecticut
458	2010-02-10	Oregon
343	2010-05-17	🇨🇦 Ontario
938	2010-07-10	Alabama
534	2010-08-14	Wisconsin
579	2010-08-21	🇨🇦 Québec
855	2010-10-02	— (non-geographic)
544	2010-12-15	— (non-geographic)
249	2011-03-19	🇨🇦 Ontario
531	2011-03-26	Nebraska
539	2011-04-01	Oklahoma
929	2011-04-16	New York
721	2011-09-30	🇸🇽 Sint Maarten
667	2012-03-24	Maryland
566	2012-04-17	— (non-geographic)
984	2012-04-30	North Carolina
873	2012-09-15	🇨🇦 Québec
431	2012-11-03	🇨🇦 Manitoba
669	2012-11-20	California
365	2013-03-25	🇨🇦 Ontario
437	2013-03-25	🇨🇦 Ontario
639	2013-05-25	🇨🇦 Saskatchewan
236	2013-06-01	🇨🇦 British Columbia
737	2013-07-01	Texas
272	2013-10-21	Pennsylvania
844	2013-12-07	— (non-geographic)
364	2014-03-03	Kentucky
577	2014-03-28	— (non-geographic)
725	2014-06-03	Nevada
346	2014-07-01	Texas
959	2014-08-30	Connecticut
930	2014-10-06	Indiana
782	2014-11-30	🇨🇦 Nova Scotia & Prince Edward Island
628	2015-03-21	California
622	2015-03-23	🇨🇦 Canada
629	2015-03-28	Tennessee
220	2015-04-22	Ohio
588	2015-09-09	— (non-geographic)
854	2015-10-19	South Carolina
380	2016-02-27	Ohio
825	2016-04-09	🇨🇦 Alberta
743	2016-05-23	North Carolina
548	2016-06-04	🇨🇦 Ontario
934	2016-07-16	New York
522	2016-08-01	— (non-geographic)
463	2016-11-15	Indiana
680	2017-03-11	New York
833	2017-06-03	— (non-geographic)
332	2017-06-10	New York
564	2017-08-28	Washington
986	2017-09-05	Idaho
521	2017-09-12	— (non-geographic)
223	2017-09-26	Pennsylvania
838	2017-10-19	New York
726	2017-10-23	Texas
445	2018-03-03	Pennsylvania
279	2018-03-10	California
820	2018-06-02	California
640	2018-09-17	New Jersey
523	2018-11-12	— (non-geographic)
367	2018-11-24	🇨🇦 Québec
658	2019-04-30	🇯🇲 Jamaica
672	2019-05-04	🇨🇦 British Columbia
689	2019-06-04	Florida
524	2019-07-12	— (non-geographic)
341	2019-07-22	California
659	2019-11-12	Alabama
326	2020-03-08	Ohio
839	2020-05-26	South Carolina
525	2020-07-13	— (non-geographic)
945	2021-01-15	Texas (overlays 214 & 972 & 469)
526	2021-01-28	— (non-geographic)
840	2021-02-23	California (overlays 909)
447	2021-03-27	Illinois (overlays 217)
582	2021-05-01	Pennsylvania (overlays 814)
572	2021-05-24	Oklahoma (overlays 405)
448	2021-06-22	Florida (overlays 850)
474	2021-10-02	🇨🇦 Saskatchewan
742	2021-10-16	🇨🇦 Ontario (overlays 905 & 289 & 365)
771	2021-11-09	Washington, D.C. (overlays 202)
464	2022-01-21	Illinois (overlays 708)
656	2022-02-22	Florida (overlays 813)
528	2022-03-02	— (non-geographic) (supplements 500)
943	2022-03-15	Georgia (overlays 404 & 770 & 678 & 470)
753	2022-03-26	🇨🇦 Ontario (overlays 613 & 343)
368	2022-04-23	🇨🇦 Alberta
948	2022-05-09	Virginia (overlays 757)
826	2022-06-14	Virginia (overlays 540)
983	2022-06-17	Colorado (overlays 303 & 720)
683	2022-06-18	🇨🇦 Ontario (overlays 705 & 249)
557	2022-08-12	Missouri (overlays 314)
835	2022-09-02	Pennsylvania (overlays 610 & 484)
529	2022-09-16	— (non-geographic) (supplements 500)
472	2022-10-07	North Carolina (overlays 910)
263	2022-10-22	🇨🇦 Québec (overlays 514 & 438)
354	2022-10-22	🇨🇦 Québec (overlays 450 & 579)
468	2022-10-22	🇨🇦 Québec (overlays 819 & 873)
584	2022-10-29	🇨🇦 Manitoba
350	2022-11-28	California (overlays 209)
363	2023-01-20	New York (overlays 516)
369	2023-02-01	California (overlays 707)
861	2023-02-24	Illinois (overlays 309)
728	2023-03-10	Florida (overlays 561)
329	2023-03-24	New York (overlays 845)
283	2023-04-28	Ohio (overlays 513)
428	2023-04-29	🇨🇦 New Brunswick
274	2023-05-05	Wisconsin (overlays 920)
633	2023-05-15	🇨🇦 Canada (non-geographic)
227	2023-06-14	Maryland (overlays 301 & 240)
382	2023-06-17	🇨🇦 Ontario (overlays 519)
730	2023-07-07	Illinois (overlays 618)
645	2023-08-04	Florida (overlays 305 & 786)
353	2023-09-15	Wisconsin (overlays 608)
975	2023-10-13	Missouri (overlays 816)
624	2023-11-16	New York (overlays 716)
686	2024-02-01	Virginia (overlays 804)
879	2024-02-17	🇨🇦 Newfoundland & Labrador
327	2024-02-20	Arkansas (overlays 870, and will later overlay the entire state)
324	2024-02-26	Florida (overlays 904)
436	2024-03-01	Ohio (overlays 440)
235	2024-03-24	Missouri (overlays 573)
821	2024-08-19	South Carolina (overlays 864)
924	2024-08-30	Minnesota (overlays 507)
738	2024-11-01	California (overlays 213 & 323)
532	2024-11-04	— (non-geographic) (supplements 500)
621	2025-01-23	Texas (overlays 713)
837	2025-01-31	California (overlays 530)
357	2025-03-26	California (overlays 559)
942	2025-04-26	🇨🇦 Ontario (overlays 416)
⬇︎ Upcoming New Area Codes ⬇︎
(257)	(2025-05-24)	🇨🇦 British Columbia (will overlay 604 and 250)
(748)	(2025-07-07)	Colorado (will overlay 970)
(729)	(2025-09-05)	Tennessee (will overlay 423)
(457)	(2025-09-25)	Louisiana (will overlay 318)
(679)	(2025-11-07)	Michigan (will overlay 313 and later 734)
(535)	(2025?)	— (future non-geographic)
(471)	(2026-01-30)	Mississippi (will overlay 662)
(483)	(2026-02-23)	Alabama (will overlay 334)
(465)	(2026-06-18)	New York (will overlay 718)
(273)	(2027-02-27)	🇨🇦 Québec (will overlay 418)
(568)	(circa 2027)	🇨🇦 Alberta (will overlay 403 and 780)
(851)	(circa 2028)	🇨🇦 Nova Scotia and Prince Edward Island
(537)	(circa 2028)	🇨🇦 Ontario (will overlay 905)
(460)	(circa 2031)	🇨🇦 Ontario (will overlay 705)