Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

OCN: 824J OPENTACT INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
901-788 A Memphis TN MMPHTNMAYOY  468   2026-05-10   
901-788 0 Memphis TN MMPHTNMAYOY  468   2026-05-10   
903-888 A Longview TX LGVWTXBA55Z  554   2026-08-20   
903-888 8 Longview TX LGVWTXBA55Z  554   2026-08-20   
915-446 A Canutillo TX ELPSTXEYLMD  540   2026-06-19   
915-446 8 Canutillo TX   540   2026-06-19   
930-587 A Evansville IN EVVLIN03XFY  330   2026-05-15   
930-587 8 Evansville IN EVVLIN03XFY  330   2026-05-15   
930-930 A Bloomington IN BLTNINTMX8Y  338   2026-07-26   
930-930 0 Bloomington IN BLTNINTMX8Y  338   2026-07-26   
931-587 A Clarksville TN   470   2026-08-23   
931-587 8 Clarksville TN   470   2026-08-23   
948-639 A Norfolk Zone 2 VA NRFLVAJYTMD  252   2026-05-09   
948-639 4 Norfolk Zone 2 VA NRFLVAJYTMD  252   2026-05-09   
983-277 A Denver CO DNVRCO26XNY  656   2026-03-09   
983-277 4 Denver CO DNVRCO26XNY  656   2026-03-09   
983-587 A Denver CO DNVRCO26XJY  656   2026-05-10   
983-587 8 Denver CO DNVRCO26XJY  656   2026-05-10   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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