NRNumberResearch Membership · Data 09/17/2026

Relief Tracker

152 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)
AnnouncedEventTypeArea codesRegion
2021-07-16 NPA 464 to Overlay NPA 708 (Illinois) overlay 708 / 464 IL
2021-06-07 NPA 742 to Overlay NPA 289/365/905 (Southern Ontario, Canada) – supersedes PL-550 overlay 289 / 742 —
2021-05-25 NPA 368 to Overlay NPAs 403/587/780/825 (Alberta, Canada) Deferred  – supersedes PL-531 overlay 403 / 368 —
2021-05-10 NPA 943 to Overlay NPA 404/470/678/770 (Georgia) supersedes PL-555 overlay 404 GA
2021-01-20 NPA 879 overlay on NPA 709 (Newfoundland & Labrador, Canada) Indefinitely Deferred – supersedes PL-503, PL-514 and PL-521. overlay 709 —
2020-12-01 NPA 742 overlay on NPA 289/365/905 (Southern Ontario) overlay 289 —
2020-06-08 NPA 656 to Overlay NPA 813 (Florida) overlay 813 / 656 FL
2020-06-04 NPA 582 to Overlay NPA 814 (Pennsylvania) overlay 814 / 582 PA
2020-03-04 NPA 572 to Overlay NPA 405 (Oklahoma) overlay 405 / 572 OK
2019-12-31 NPA 448 to Overlay NPA 850 (Florida)  overlay 850 / 448 FL
2019-10-28 NPA 447 to Overlay NPA 217 (Illinois) overlay 217 / 447 IL
2019-08-20 NPA 474 to Overlay NPA 306/639 (Saskatchewan, Canada) overlay 306 / 474 —
2018-11-19 NPA 658 to Overlay NPA 876 (Jamaica) – Permissive Dialing Date Change overlay 876 / 658 —
2018-10-08 NPA 659 to Overlay NPA 205 (Alabama) overlay 205 / 659 AL
2018-09-18 NPA 839 to Overlay NPA 803 (South Carolina) overlay 803 / 839 SC
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 —
2017-06-19 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
2017-03-08 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
2016-06-28 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 —
2015-08-21 NPA 680 to Overlay NPA 315 (New York) overlay 315 / 680 NY
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
2014-01-28 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 —

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