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.
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OCN: 425J CSC WIRELESS, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
325-273 2 Sweetwater TX ABLNTXORY0X  550   2019-05-16   
325-273 3 Sweetwater TX ABLNTXORY0X  550   2019-07-22   
329-209 A Brewster NY WHPLNYGRX0X  132   2024-03-01   
329-209 0 Brewster NY WHPLNYGRX0X  132   2024-03-01   
329-209 1 Brewster NY WHPLNYGRX0X  132   2024-03-01   
329-209 2 Brewster NY WHPLNYGRX0X  132   2024-03-01   
332-210 A New York City Zone 01 NY WHPLNYGRX0X  132      
332-210 0 New York City Zone 01 NY WHPLNYGRX0X  132   2019-07-15   
332-210 1 New York City Zone 01 NY WHPLNYGRX0X  132   2019-07-25   
332-210 2 New York City Zone 01 NY WHPLNYGRX0X  132   2019-08-15   
332-210 3 New York City Zone 01 NY WHPLNYGRX0X  132   2019-08-25   
334-746 A Montgomery AL MTGMALMTYXX  478      
334-746 2 Montgomery AL MTGMALMTYXX  478   2020-08-31   
337-214 8 Lake Charles LA   488   2025-04-19   
337-425 1 Lake Charles LA   488   2025-04-25   
337-425 8 Lake Charles LA   488   2025-05-01   
337-489 0 Lake Charles LA LKCHLADTY0X  488   2024-07-25   
337-489 1 Lake Charles LA LKCHLADTY0X  488   2024-07-31   
337-549 A Lake Charles LA LKCHLADTY0X  488      
337-549 0 Lake Charles LA LKCHLADTY0X  488   2019-07-15   
337-549 2 Lake Charles LA LKCHLADTY0X  488   2019-05-12   
337-549 3 Lake Charles LA LKCHLADTY0X  488   2019-07-15   
346-364 7 Cleveland TX NCGDTXNCX0X  560   2019-06-20   
346-825 3 Cleveland TX   560   2025-04-16   
346-825 4 Cleveland TX   560   2025-04-28   
347-516 7 New York City Zone 03 NY WHPLNYGRX0X  132   2023-04-02   
347-970 4 New York City Zone 10 NY WHPLNYGRX0X  132   2019-05-30   
352-659 A Ocala FL GSVLFLMAY0X  45403      
352-659 2 Ocala FL GSVLFLMAY0X  45403   2020-08-17   
361-363 A Victoria TX CRCHTXTUY0X  564      
361-363 0 Victoria TX CRCHTXTUY0X  564   2019-07-10   
361-363 2 Victoria TX CRCHTXTUY0X  564   2019-05-16   
364-203 A Bowling Green KY BWLGKYMAY0X  464      
364-203 2 Bowling Green KY BWLGKYMAY0X  464   2020-08-03   
385-354 A Salt Lake City UT SLKCUTMAY0X  660      
385-354 2 Salt Lake City UT SLKCUTMAY0X  660   2020-08-27   
386-285 A Daytona Beach FL DYBHFLPOY0X  45601      
386-285 2 Daytona Beach FL DYBHFLPOY0X  45601   2020-08-28   
401-291 A Providence RI PRVDRIWAY0X  130      
401-291 2 Providence RI PRVDRIWAY0X  130   2020-04-17   
405-854 0 Stillwater OK ENIDOKMAX0X  536   2019-06-14   
405-854 1 Stillwater OK ENIDOKMAX0X  536   2019-06-14   
406-401 A Great Falls MT GRFLMTMAX0X  648      
406-401 2 Great Falls MT GRFLMTMAX0X  648   2019-07-20   
406-409 A Billings MT BLNGMTASX0X  650      
406-409 2 Billings MT BLNGMTASX0X  650   2019-07-20   
409-257 A Beaumont TX BUMTTXTEY0X  562      
409-257 2 Beaumont TX BUMTTXTEY0X  562   2020-08-03   
413-361 A Springfield MA SPFDMAWOY0X  126      
413-361 2 Springfield MA SPFDMAWOY0X  126   2020-04-17   
417-412 A Branson MO BASNMOXAY0X  522      
417-412 0 Branson MO BASNMOXAY0X  522   2019-07-15   
417-412 1 Branson MO BASNMOXAY0X  522   2019-07-15   
417-412 2 Branson MO BASNMOXAY0X  522   2019-05-12   
417-412 3 Branson MO BASNMOXAY0X  522   2019-07-15   
423-654 A Chattanooga TN CHTGTNNSY0X  472      
423-654 2 Chattanooga TN CHTGTNNSY0X  472   2020-09-11   
423-656 A Johnson City TN JHCYTNXCY0X  956      
423-656 2 Johnson City TN JHCYTNXCY0X  956   2020-09-21   
430-271 A Gladewater TX LGVWTXPLY0X  554      
430-271 2 Gladewater TX LGVWTXPLY0X  554   2019-05-16   
430-322 1 Paris TX DLLSTXRIY0X  552   2023-11-13   
430-322 8 Paris TX DLLSTXRIY0X  552   2023-11-13   
430-382 A Gladewater TX   554   2025-05-22   
430-382 0 Gladewater TX   554   2025-05-22   
430-382 1 Gladewater TX   554   2025-05-22   
430-382 2 Gladewater TX   554   2025-05-22   
430-444 0 Paris TX DLLSTXRIY0X  552   2019-06-15   
430-444 1 Paris TX DLLSTXRIY0X  552   2019-06-15   
430-444 2 Paris TX DLLSTXRIY0X  552   2019-07-01   
430-702 6 Gladewater TX   554   2025-04-21   
432-256 A Midland TX MDLDTXMUY0X  542      
432-256 0 Midland TX MDLDTXMUY0X  542   2019-07-04   
432-256 1 Midland TX MDLDTXMUY0X  542   2019-07-04   
432-256 2 Midland TX MDLDTXMUY0X  542   2019-05-16   
434-232 A Lynchburg VA LYBGVACHY0X  250      
434-232 2 Lynchburg VA LYBGVACHY0X  250   2020-04-10   
434-235 A Charlottesville VA CHVLVAXAY0X  928      
434-235 2 Charlottesville VA CHVLVAXAY0X  928   2020-08-28   
442-308 A June Lake CA VTVLCAXAY0X  730      
442-308 2 June Lake CA VTVLCAXAY0X  730   2019-05-10   
442-315 A Palm Springs CA PLSPCAXGY0X  973      
442-315 2 Palm Springs CA PLSPCAXGY0X  973   2020-04-10   
442-326 4 Independence CA VTVLCAXAY0X  730   2019-06-06   
458-250 A Eugene OR EUGNOR53Y0X  670      
458-250 2 Eugene OR EUGNOR53Y0X  670   2020-09-02   
469-722 A Dallas TX DLLSTXRIY0X  552      
469-722 2 Dallas TX DLLSTXRIY0X  552   2019-05-16   
470-571 A Atlanta GA ATLNGAQSY0X  438      
470-571 2 Atlanta GA ATLNGAQSY0X  438   2019-07-20   
475-257 A Norwalk CT NRWLCT02Y0X  920      
475-257 0 Norwalk CT NRWLCT02Y0X  920   2019-06-06   
475-257 1 Norwalk CT NRWLCT02Y0X  920   2019-06-06   
475-257 2 Norwalk CT NRWLCT02Y0X  920   2019-05-12   
475-257 7 Norwalk CT NRWLCT02Y0X  920   2019-06-06   
475-257 8 Norwalk CT NRWLCT02Y0X  920   2019-06-06   
475-257 9 Norwalk CT NRWLCT02Y0X  920   2019-06-06   
475-259 4 Darien CT NRWLCT02Y0X  920   2019-12-20   
475-259 6 Darien CT NRWLCT02Y0X  920   2019-12-20   
475-368 1 Darien CT NRWLCT02Y0X  920   2024-07-25   

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

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