Relief Tracker

245 recorded events · compiled from NANPA planning letters 1997–present

Each event page consolidates every letter issued for that decision — initial announcements, revisions and rescissions — with links to the primary documents.

All Overlay (152) Other (43) Jeopardy (26) New npa (20) Split (4)

Announced	Event	Type	Area codes	Region
2018-07-30	NPA 341 to Overlay 510 (California)	other	341	CA
2018-07-03	NPA 326 to Overlay NPA 937 (Ohio)	overlay	937 / 326	OH
2018-04-16	NPA 672 to Overlay NPA 236/250/604/778 (British Columbia, Canada)	overlay	236 / 672	—
2017-11-21	NPA 367 to Overlay NPA 418/581 (eastern Quebec, Canada).	overlay	418 / 367	—
2017-09-21	Assignment of NPA 521 for Non-Geographic Services.	new npa	521	—
2017-06-19	NPA 820 to Overlay NPA 805 (California)	overlay	805 / 820	CA
2017-05-26	NPA 640 to Overlay NPA 609 (New Jersey)	overlay	609 / 640	NJ
2017-05-18	NPA 619 and 858 Boundary Elimination Overlay (California)	other	619	CA
2017-03-08	NPA 279 to Overlay NPA 916 (California)	overlay	916 / 279	CA
2017-01-23	NPA 223 to Overlay NPA 717 (Pennsylvania)	overlay	717 / 223	PA
2016-12-27	NPA 445 to Overlay NPAs 215/267 (Pennsylvania)	overlay	215 / 445	PA
2016-10-15	NPA 838 to Overlay NPA 518 (New York)	overlay	518 / 838	NY
2016-08-31	NPA 463 to Overlay NPA 317 (Indiana)	overlay	317 / 463	IN
2016-08-23	NPA 726 to Overlay NPA 210 (Texas)	overlay	210 / 726	TX
2016-08-09	NPA 213 and 323 Boundary Elimination Overlay (California)	other	213	CA
2016-08-02	Assignment of NPA 522 for Non-Geographic Services	new npa	522	—
2016-06-28	NPA 564 to Overlay NPA 360 (Washington)	overlay	360 / 564	WA
2015-12-23	NPA 986 to Overlay NPA 208 (Idaho)	overlay	208 / 986	ID
2015-12-21	NPA 332 to Overlay NPAs 212/646/917 (New York)	overlay	212 / 332	NY
2015-12-02	NPA 825 to Overlay NPAs 403/587/780 (Alberta Canada)	overlay	403 / 825	—
2015-09-09	Assignment of NPA 588 for Non-Geographic Services	new npa	588	—
2015-08-21	NPA 680 to Overlay NPA 315 (New York)	overlay	315 / 680	NY
2015-07-09	Assignment of NPA 622 for Non-Geographic Services	new npa	622	—
2015-04-15	Implementation of the NPA 833 for Toll-Free Services	other	833	—
2015-02-20	NPA 380 to Overlay NPA 614 (Ohio)	overlay	614 / 380	OH
2015-02-19	NPA 934 to Overlay NPA 631 (New York)	overlay	631 / 934	NY
2015-01-09	NPA 743 to Overlay NPA 336 (North Carolina)	overlay	336 / 743	NC
2014-11-14	NPA 854 to Overlay NPA 843 (South Carolina)	overlay	843 / 854	SC
2014-11-03	NPA 548 to Overlay NPA 226/519 (Southwestern Ontario, Canada)	overlay	226 / 548	—
2014-10-24	NPA 220 to Overlay NPA 740 (Ohio)	overlay	740 / 220	OH
2014-10-24	NPA 930 to Overlay NPA 812 (Indiana)	overlay	812 / 930	IN
2014-08-29	Expansion of the Concentrated NPA 786 Overlay with NPA 305 (Florida)	overlay	305	FL
2014-03-28	Assignment of NPA 577 for Non-Geographic Services	new npa	577	—
2014-01-28	NPA 628 to Overlay NPA 415 (California)	overlay	415 / 628	CA
2014-01-24	NPA 782 to Overlay NPA 902 (Nova Scotia/Prince Edward Island, Canada)	overlay	902 / 782	—
2013-12-04	NPA 629 to Overlay NPA 615 (Tennessee)	overlay	615 / 629	TN
2013-08-27	NPA 959 to Overlay NPA 860 (Connecticut)	overlay	860 / 959	CT
2013-05-30	NPA 346 to Overlay NPAs 281/713/832 (Texas)	overlay	281 / 346	TX
2013-04-02	NPA 272 to Overlay NPA 570 (Pennsylvania)	overlay	570 / 272	PA
2013-02-06	NPA 236 to Overlay NPA 250/604/778 (British Columbia, Canada)	overlay	250 / 236	—
2013-01-29	NPA 364 to Overlay NPA 270 (Kentucky)	overlay	270 / 364	KY
2013-01-24	NPA 365 to Overlay NPA 289/905 (Southern Ontario, Canada)	overlay	289 / 365	—
2013-01-24	NPA 437 to Overlay NPA 416/647 (Toronto, Canada)	overlay	416 / 437	—
2013-01-22	NPA 639 to Overlay NPA 306 (Saskatchewan, Canada)	overlay	306 / 639	—
2012-12-21	NPA 725 to Overlay NPA 702 (Nevada)	overlay	702 / 725	NV
2012-12-07	Implementation of the NPA 844 for Toll-Free Services	other	844	—
2012-08-01	NPA 737 to Overlay NPA 512 (Texas)	overlay	512 / 737	TX
2012-04-17	Assignment of NPA 566 for Personal Communications Services (PCS)	new npa	566	—
2012-02-23	NPA 431 to Overlay NPA 204 (Manitoba, Canada)	overlay	204 / 431	—
2012-02-09	Introduction on NPA 721 (Sint Maarten)	other	721	—

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