Local Calling Guide

Area code/prefix search

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OCN: 7421 AT&T - LOCAL

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
630-568 0 Oak Brook IL OKBRILOAHMD  358      
630-568 2 Oak Brook IL OKBRILOAHMD  358      
630-581 A Hinsdale IL OKBRILOAHMD  358      
630-581 6 Hinsdale IL OKBRILOAHMD  358      
630-593 4 Geneva IL OKBRILOADS3  358   2000-12-29   
630-634 A Bensenville IL OKBRILOAHMD  358      
630-634 3 Bensenville IL OKBRILOAHMD  358      
630-635 A Roselle IL RLMDILAGDS2  358      
630-635 1 Roselle IL RLMDILAGDS2  358      
630-635 4 Roselle IL RLMDILAGDS2  358      
630-635 9 Roselle IL RLMDILAGDS2  358      
630-657 7 Warrenville IL OKBRILOADS3  358   2002-11-11   
630-756 8 Hinsdale IL OKBRILOADS3  358   2005-07-04   
630-760 6 Bensenville IL OKBRILOADS2  358   2005-11-14   
630-760 7 Bensenville IL OKBRILOADS2  358   2005-11-14   
630-785 A Lombard IL OKBRILOAHMD  358      
630-785 1 Lombard IL OKBRILOAHMD  358      
630-785 5 Lombard IL OKBRILOAHMD  358      
631-387 8 Commack NY BRWDNYBW6KD  132   2001-11-19   
631-404 A Brentwood NY BRWDNYBW6KD  132      
631-404 1 Brentwood NY BRWDNYBW6KD  132      
631-404 3 Brentwood NY BRWDNYBW6KD  132      
631-404 4 Brentwood NY BRWDNYBW6KD  132      
631-489 2 West Commack NY BRWDNYBW6KD  132   2002-06-30   
631-693 8 Amityville NY BRWDNYBW6KD  132   2001-11-29   
631-812 6 Huntington NY BRWDNYBW6KD  132   2009-04-24   
631-881 A Central Islip NY BRWDNYBW6KD  132      
631-881 6 Central Islip NY BRWDNYBW6KD  132      
631-923 A Huntington NY BRWDNYBW6KD  132      
631-923 4 Huntington NY BRWDNYBW6KD  132      
631-923 9 Huntington NY BRWDNYBW6KD  132      
631-927 A Farmingdale NY GRCYNYGC6KD  132      
631-927 1 Farmingdale NY GRCYNYGC6KD  132      
631-927 3 Farmingdale NY GRCYNYGC6KD  132      
631-927 5 Farmingdale NY GRCYNYGC6KD  132      
631-927 6 Farmingdale NY GRCYNYGC6KD  132      
631-927 8 Farmingdale NY GRCYNYGC6KD  132      
631-927 9 Farmingdale NY GRCYNYGC6KD  132      
631-954 A Bay Shore NY NYCMNYBWDS7  132      
631-954 9 Bay Shore NY NYCMNYBWDS7  132      
636-223 A Imperial MCA3 MO STLSMO09DS2  520      
636-223 1 Imperial MCA3 MO STLSMO09DS2  520      
636-263 A Harvester MCA4 MO STLSMO09DS1  520      
636-263 2 Harvester MCA4 MO STLSMO09DS1  520      
636-299 A Chesterfield MO HLBOMO01DS0  520      
636-524 6 Festus-Crystal City MO STLSMO09DS2  520   2004-02-08   
636-627 A St Charles MCA3 MO HLBOMO01DS0  520      
636-628 4 Manchester MO CRVCMOAT3MD  520   2003-01-09   
650-260 A Redwood City CA SNFCCA01DS5  722      
650-260 9 Redwood City CA SNFCCA01DS5  722      
650-264 A San Carlos-Belmont CA SNFCCA01DS5  722      
650-264 1 San Carlos-Belmont CA SNFCCA01DS5  722      
650-265 A Mountain View CA SNFCCA01DS5  722      
650-265 3 Mountain View CA SNFCCA01DS5  722      
650-265 5 Mountain View CA SNFCCA01DS5  722      
650-386 7 Mountain View CA SNFCCA01DS5  722   2012-06-08   
650-449 5 San Francisco: Juniper DA CA SNFCCA01DS5  722   2002-07-22   
650-452 A South San Francisco CA SNFCCA01DS5  722      
650-452 1 South San Francisco CA SNFCCA01DS5  722      
650-690 A Palo Alto CA SNFCCA01DS5  722      
650-690 9 Palo Alto CA SNFCCA01DS5  722      
650-918 A San Mateo CA SNFCCA01DS5  722      
650-918 3 San Mateo CA SNFCCA01DS5  722      
651-367 A Twin Cities MN GLVYMNORVMD  628      
651-367 0 Twin Cities MN GLVYMNORVMD  628      
651-367 1 Twin Cities MN GLVYMNORVMD  628      
651-367 2 Twin Cities MN GLVYMNORVMD  628      
651-367 3 Twin Cities MN GLVYMNORVMD  628      
651-367 5 Twin Cities MN GLVYMNORVMD  628      
651-367 6 Twin Cities MN GLVYMNORVMD  628      
651-367 7 Twin Cities MN GLVYMNORVMD  628      
651-367 8 Twin Cities MN GLVYMNORVMD  628      
651-397 A North Branch MN GLVYMNORVMD  628      
651-397 9 North Branch MN GLVYMNORVMD  628   2023-08-05   
660-236 6 Marshall MO KSCYMO09DS2  524   2009-09-18   
661-341 A Lancaster CA SHOKCA024MD  730      
661-341 9 Lancaster CA SHOKCA024MD  730      
661-678 A Santa Clarita: Newhall-Castaic DA CA SHOKCA02DS2  730      
661-678 2 Santa Clarita: Newhall-Castaic DA CA SHOKCA02DS2  730      
661-678 4 Santa Clarita: Newhall-Castaic DA CA SHOKCA02DS2  730      
661-889 A Bakersfield: Main DA CA MOJVCA02DS2  734      
661-889 9 Bakersfield: Main DA CA MOJVCA02DS2  734      
662-259 5 Oxford MS JCSNMSPSXMY  482   2007-07-09   
662-426 A Como MS JCSNMSPSDS4  482      
662-426 9 Como MS JCSNMSPSDS4  482      
667-283 A Fork MD BLTMMDCHXAX  238      
667-283 9 Fork MD BLTMMDCHXAX  238   2020-08-24   
667-497 A Ocean City MD SLBRMDSBX8Y  242   2024-12-23   
667-497 9 Ocean City MD SLBRMDSBX8Y  242   2024-12-23   
667-498 A Arbutus MD BLTMMDCH57Z  238   2025-01-17   
667-498 9 Arbutus MD BLTMMDCH57Z  238   2025-01-17   
669-800 3 San Jose: West DA CA SNJSCA02DS3  722   2013-02-18   
678-792 1 Cartersville GA ATLNGATLXDX  438   2002-11-09   
680-225 A Minoa NY SYRCNYSUX2Y  136      
680-225 9 Minoa NY SYRCNYSUX2Y  136   2021-06-17   
681-390 A Milton WV CHTNWVLEXAX  254      
681-390 9 Milton WV CHTNWVLEXAX  254   2022-06-15   
681-545 A Daybrook WV CLBGWVMAXXX  256   2024-10-11   
681-545 9 Daybrook WV CLBGWVMAXXX  256   2024-10-11   
681-546 A Dunlow WV CHTNWVLEX9Y  254   2024-10-11   

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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