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.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
936-449 8 Montgomery EMS TX   560   2014-02-28   
936-488 6 Center TX   560   2022-03-11   
936-526 2 Diboll TX   560   2014-02-28   
936-599 1 Shepherd TX   560   2024-04-14   
936-666 5 Willis TX   560   2012-05-31   
936-679 1 San Augustine TX   560   2022-03-11   
936-701 A Willis TX NCGDTXNCKMD  560      
936-701 2 Willis TX   560   2014-04-04   
936-701 3 Willis TX   560   2014-04-04   
936-701 4 Willis TX   560   2014-04-04   
936-701 5 Willis TX   560   2014-04-04   
936-703 A Conroe TX LFKNTXXABMD  560      
936-703 3 Conroe TX   560   2013-12-30   
936-703 4 Conroe TX   560   2013-12-30   
936-703 5 Conroe TX   560   2013-12-30   
936-727 5 Navasota TX   560   2014-02-28   
936-755 6 Huntsville TX   560   2014-02-28   
936-755 8 Huntsville TX   560   2014-02-28   
936-828 2 Conroe TX   560   2008-01-10   
936-828 3 Conroe TX   560   2008-03-01   
936-877 2 Alto TX   560   2021-04-29   
936-888 1 Hudson (Angelina) TX   560   2014-02-28   
936-899 5 Lufkin TX   560   2014-02-28   
936-899 6 Lufkin TX   560   2014-02-28   
936-899 7 Lufkin TX   560   2014-02-28   
936-946 1 Reklaw TX   560   2024-03-31   
937-943 A Troy OH DYTNOH22XLZ  328      
940-202 6 Tioga TX   552   2009-10-16   
940-223 5 Vernon TX   548   2024-05-12   
940-301 A Gainesville TX DNTNTXXAXSX  552      
940-301 4 Gainesville TX   552   2013-12-30   
940-301 5 Gainesville TX   552   2013-12-30   
940-302 A Sanger TX ATHNTXXALMD  552      
940-302 4 Sanger TX   552   2013-12-30   
940-302 5 Sanger TX   552   2013-12-30   
940-324 3 Pilot Point TX   552   2007-07-30   
940-324 6 Pilot Point TX   552   2014-02-22   
940-356 3 Quanah TX   548   2024-05-12   
940-398 A Krum TX ATHNTXXALMD  552      
940-398 3 Krum TX   552   2014-02-22   
940-437 3 Tioga TX   552   2014-02-22   
940-440 1 Aubrey EMS TX   552   2014-02-22   
940-440 6 Aubrey EMS TX   552   2007-06-11   
940-468 2 Mineral Wells TX   552   2007-06-11   
940-580 3 Gainesville TX   552   2007-04-20   
940-654 5 Mineral Wells TX   552   2014-02-22   
940-698 3 Ponder TX   552   2022-04-06   
940-746 9 Henrietta TX   548   2024-05-12   
940-938 0 Childress TX   548   2024-05-12   
940-963 A Iowa Park TX WCFLTXFGHMD  548      
940-963 6 Iowa Park TX   548   2024-05-26   
940-970 A Burkburnett TX WCFLTXFGHMD  548      
940-970 5 Burkburnett TX   548   2024-05-25   
959-209 A Watertown CT NRWLCT02SMD  920      
959-209 4 Watertown CT NRWLCT02SMD  920   2016-08-28   
972-346 4 Prosper EMS TX   552   2007-06-11   
972-924 7 Anna TX   552   2007-05-11   
973-200 0 Little Falls NJ PRNYNJFPDS1  224   2004-07-01   
973-206 1 Morristown NJ PRNYNJFPDS3  224   2007-09-21   
973-230 0 Newark NJ PRNYNJFP6MD  224      
973-230 1 Newark NJ PRNYNJFPDS3  224   2006-02-19   
973-230 2 Newark NJ PRNYNJFP6MD  224      
973-230 3 Newark NJ PRNYNJFP6MD  224      
973-230 4 Newark NJ PRNYNJFP6MD  224      
973-230 7 Newark NJ PRNYNJFP6MD  224      
973-230 8 Newark NJ PRNYNJFP6MD  224      
973-234 5 Hopatcong NJ PRNYNJFPDS1  224   2007-10-06   
973-240 7 Whippany NJ PRNYNJFPDS1  224   2007-11-17   
973-246 A Passaic NJ PRNYNJFP6MD  224      
973-246 1 Passaic NJ PRNYNJFPDS1  224   2005-04-09   
973-246 3 Passaic NJ PRNYNJFPDS1  224   2005-04-09   
973-246 4 Passaic NJ PRNYNJFPDS1  224   2004-11-10   
973-246 5 Passaic NJ PRNYNJFPDS1  224   2004-11-10   
973-246 6 Passaic NJ PRNYNJFPDS1  224   2004-11-10   
973-246 7 Passaic NJ PRNYNJFPDS1  224   2005-04-09   
973-246 9 Passaic NJ PRNYNJFPDS1  224   2004-02-16   
973-248 6 Pompton Lakes NJ PRNYNJFPDS1  224   2004-08-14   
973-250 0 Branchville NJ PRNYNJFPDS3  224   2011-12-17   
973-265 0 Boonton NJ PRNYNJFPDS3  224   2012-08-18   
973-265 4 Boonton NJ PRNYNJFPDS1  224   2003-07-07   
973-265 8 Boonton NJ PRNYNJFP6MD  224   2002-03-16   
973-270 0 Morristown NJ PRNYNJFPDS3  224   2007-09-06   
973-272 2 Passaic NJ PRNYNJFPDS1  224   2004-03-01   
973-272 3 Passaic NJ PRNYNJFPDS1  224   2004-07-16   
973-272 6 Passaic NJ PRNYNJFPDS1  224   2007-12-13   
973-272 8 Passaic NJ PRNYNJFP6MD  224   2002-03-20   
973-287 7 Caldwell NJ PRNYNJFP6MD  224   2006-09-29   
973-288 1 Hopatcong NJ PRNYNJFPDS1  224   2007-12-21   
973-291 4 Butler NJ PRNYNJFPDS1  224   2003-07-07   
973-291 6 Butler NJ PRNYNJFPDS1  224   2005-04-07   
973-291 8 Butler NJ PRNYNJFPDS1  224   2007-07-14   
973-295 6 Madison NJ PRNYNJFPDS1  224   2008-10-17   
973-304 1 Hawthorne NJ PRNYNJFPDS3  224   2007-09-06   
973-304 4 Hawthorne NJ PRNYNJFPDS1  224   2013-05-04   
973-310 3 Hawthorne NJ PRNYNJFPDS1  224   2008-07-20   
973-320 2 Nutley NJ PRNYNJFPDS1  224   2005-02-27   
973-320 5 Nutley NJ PRNYNJFPDS3  224   2007-07-01   
973-321 8 Paterson NJ PRNYNJFPDS1  224   2014-05-02   
973-327 4 South Orange NJ PRNYNJFPDS1  224   2003-06-25   
973-333 3 Paterson NJ PRNYNJFPDS1  224   2004-09-13   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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