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
2011-11-02	NPA 669 to Overlay NPA 408 (California)	overlay	408 / 669	CA
2011-06-23	NPA 984 to Overlay NPA 919 (North Carolina)	overlay	919 / 984	NC
2011-06-21	NPA 415, 619, 650, 707 - Relief Plans Dismissed (California)	other	415	CA
2010-12-17	Assignment of NPA 544 for Personal Communications Services (PCS)	new npa	544	—
2010-12-15	NPA 270 (Kentucky) - 2-way Split, Creating 364 NPA - Relief Plan Cancelled	split	270	KY
2010-12-07	NPA 249 to Overlay NPA 705 (Ontario, Canada)	overlay	705 / 249	—
2010-11-22	NPA 510 (California) - Relief Plan Dismissed	other	510	CA
2010-10-01	Implementation of the NPA 855 for Toll Free Services	other	855	—
2010-09-01	NPA 531 to Overlay NPA 402 (Nebraska)	overlay	402 / 531	NE
2010-06-25	NPA 873 to Overlay NPA Code 819 (Western Québec, Canada)	other	873	—
2010-03-01	NPA 539 to Overlay NPA 918 (Oklahoma)	overlay	918 / 539	OK
2010-02-09	NPA 929 to Overlay NPA 718/347 (New York)	overlay	718 / 929	NY
2010-02-01	NPA 579 to Overlay NPA 450 (Québec, Canada)	overlay	450 / 579	—
2009-10-16	Assignment of NPA 533 for Personal Communications Services (PCS)	new npa	533	—
2009-08-10	NPA 872 to Overlay NPA 312 and 773 (Illinois)	overlay	312 / 872	IL
2009-04-28	NPA 938 to Overlay NPA 256 (Alabama)	overlay	256 / 938	AL
2009-04-14	NPA 475 to Overlay NPA 203; NPA 860 10-digit dialing (Connecticut)	overlay	203 / 475	CT
2009-04-14	NPA 849 to Overlay NPAs 809 and 829 (Dominican Republic)	overlay	809 / 849	—
2009-01-15	NPA 343 to Overlay NPA 613 (Eastern Ontario, Canada)	overlay	613 / 343	—
2008-12-22	NPA 534 to Overlay NPA 715 (Wisconsin)	overlay	715 / 534	WI
2008-11-19	NPA 458 to Overlay NPA 541 (Oregon)	overlay	541 / 458	OR
2008-10-23	NPA 442 to Overlay NPA 760 (California)	overlay	760 / 442	CA
2008-05-07	NPA 747 to Overlay NPA 818 (California)	overlay	818 / 747	CA
2008-05-07	NPA 760 Split, Creating NPA 442 (California)	split	760	CA
2008-03-21	NPA 681 to Overlay NPA 304 (West Virginia)	overlay	304 / 681	VA
2008-02-27	NPA 587 to Overlay NPA 403 and NPA 780 (Alberta, Canada)	overlay	403 / 587	—
2008-02-12	NPA 581 to Overlay NPA 418 (Quebec, Canada)	overlay	418 / 581	—
2007-10-03	NPA 657 to Overlay NPA 714 (California)	overlay	714 / 657	CA
2007-08-16	NPA 385 to Overlay NPA 801 (Utah)	overlay	801 / 385	UT
2007-07-06	NPA 331 to Overlay NPA 630 (Illinois)	overlay	630 / 331	IL
2007-06-22	Relief for British Columbia 250 Area Code and NPA 778 Boundary Change	other	778	—
2006-12-21	Expansion of Concentrated NPA 971 Overlay with NPA 503 (Oregon)	overlay	503	OR
2006-12-21	NPA 505 Split, Creating NPA 575 (New Mexico)	split	505	NM
2006-10-13	NPA 762 to Overlay NPA 706 Extended Permissive (Georgia)	overlay	706 / 762	GA
2006-05-16	NPA 613 & NPA 819 Relief Phase One (Dial Plan Change)	other	613	—
2006-05-15	NPA 779 to Overlay NPA 815 (Illinois)	overlay	815 / 779	IL
2006-03-01	NPA 226 to Overlay NPA 519 (Southwestern Ontario, Canada)	overlay	519 / 226	—
2006-03-01	NPA 438 to Overlay NPA 514 (Montreal Urban Area)	overlay	514 / 438	—
2005-09-07	NPA 424 to Overlay NPA 310 (California)	overlay	310 / 424	CA
2004-08-02	NPA 829 to Overlay NPA 809 (Dominican Republic)	overlay	809 / 829	—
2004-04-20	NPA 769 to Overlay NPA 601 (Mississippi)	overlay	601 / 769	MS
2003-03-24	Introduction of NPA 684 (American Samoa)	other	684	—
2002-02-06	NPA 430 to Overlay NPA 903 (Texas)	overlay	903 / 430	TX
2001-08-04	NPA 754 To Overlay NPA 954 (Southeast Florida)	overlay	954 / 754	FL
2001-06-29	Mandatory Dialing Date Established for NPA 283 (Ohio)	other	283	OH
2001-06-07	New NPA 947 to Overlay NPA 248 (Michigan)	overlay	248 / 947	MI
2001-05-09	NPA 975 Overlay of NPA 816 Implementation Date Change (Missouri)	overlay	816	MO
2001-05-09	NPA 557 Overlay of NPA 314 Implementation Date and Dialing Plan Change (Missouri)	overlay	314	MO
2001-05-08	NPA 551 To Overlay NPA 201; NPA 862 To Overlay NPA 973; and NPA 848 To Overlay NPA 732 (New Jersey)	overlay	201 / 551	NJ
2001-04-24	NPA 513 Boundary Realignment Franklin Rate Center (Ohio)	other	513	OH

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