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: 732J NUSO, LLC

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
720-801 7 Georgetown CO DNVRCOMA53Z  656   2024-10-17   
720-801 8 Georgetown CO DNVRCOMA53Z  656   2024-10-17   
720-863 9 Denver CO DNVRCOMA53Z  656   2024-12-04   
720-978 A Denver CO DNVRCOMA53Z  656      
720-978 1 Denver CO DNVRCOMA53Z  656   2023-01-06   
725-291 A Las Vegas NV LSVGNVXB03Z  721      
725-291 1 Las Vegas NV LSVGNVXB03Z  721   2023-01-19   
725-328 6 Las Vegas NV LSVGNVXB03Z  721   2024-11-26   
725-328 8 Las Vegas NV LSVGNVXB03Z  721   2024-11-12   
725-328 9 Las Vegas NV LSVGNVXB03Z  721   2024-11-12   
725-335 1 Las Vegas NV LSVGNVXB03Z  721   2024-07-16   
725-335 2 Las Vegas NV LSVGNVXB03Z  721   2024-07-16   
726-231 A San Antonio TX SNANTXCAY4X  566      
726-231 1 San Antonio TX SNANTXCAY4X  566   2023-04-09   
726-249 7 San Antonio TX   566   2025-03-10   
726-249 8 San Antonio TX   566   2025-03-10   
726-249 9 San Antonio TX   566   2025-03-10   
726-267 0 San Antonio TX   566   2025-07-29   
726-267 1 San Antonio TX   566   2025-07-29   
726-267 4 San Antonio TX   566   2025-07-29   
726-762 1 San Antonio TX SNANTXCAY4X  566   2024-08-07   
726-762 2 San Antonio TX SNANTXCAY4X  566   2024-08-07   
727-208 7 Clearwater FL   952   2025-03-24   
727-208 8 Clearwater FL   952   2025-03-24   
727-208 9 Clearwater FL   952   2025-03-24   
727-621 A Clearwater FL TAMSFLDEXHX  952      
727-621 1 Clearwater FL TAMSFLDEXHX  952   2023-05-07   
727-624 7 Clearwater FL TAMSFLDEXHX  952   2024-06-13   
727-624 8 Clearwater FL TAMSFLDEXHX  952   2024-06-13   
727-627 7 Clearwater FL   952   2025-08-18   
727-630 4 Clearwater FL TAMSFLDEXHX  952   2023-12-19   
727-630 5 Clearwater FL TAMSFLDEXHX  952   2023-12-19   
727-651 0 Clearwater FL   952   2025-08-18   
727-651 3 Clearwater FL   952   2025-08-18   
730-269 A Olney IL   978   2025-06-07   
730-269 1 Olney IL   978   2025-06-07   
730-300 7 Carbondale IL   362   2025-05-04   
737-254 0 Austin TX   558   2025-07-07   
737-254 1 Austin TX   558   2025-07-07   
737-254 2 Austin TX   558   2025-07-07   
737-325 4 Austin TX AUSTTX92X6X  558   2023-11-26   
737-325 5 Austin TX AUSTTX92X6X  558   2023-11-26   
737-350 A Bastrop TX BSTRTXBSBMD  558      
737-350 0 Bastrop TX BSTRTXBSBMD  558   2023-01-14   
737-350 3 Bastrop TX BSTRTXBSBMD  558   2023-11-23   
737-354 A Austin TX AUSTTX92X6X  558      
737-354 2 Austin TX AUSTTX92X6X  558   2023-04-09   
737-384 7 Austin TX AUSTTX92X6X  558   2024-06-23   
737-975 1 Austin TX BSTRTXBSBMD  558   2024-12-06   
737-975 2 Austin TX BSTRTXBSBMD  558   2024-12-06   
737-975 3 Austin TX BSTRTXBSBMD  558   2024-12-06   
743-257 A Winston-Salem NC GNBONCPHX9X  424      
743-257 1 Winston-Salem NC GNBONCPHX9X  424   2023-04-15   
743-281 8 Greensboro NC   424   2025-07-21   
743-666 9 Greensboro NC   424   2025-07-21   
747-364 1 Canoga Park CA LSANCARCYDX  730   2024-06-23   
747-369 1 Canoga Park CA LSANCARCYDX  730   2024-09-21   
747-369 2 Canoga Park CA LSANCARCYDX  730   2024-09-21   
754-297 8 Hollywood FL MIAMFL98XDX  46017   2024-04-13   
754-327 8 Fort Lauderdale FL   46017   2025-07-08   
754-328 0 Fort Lauderdale FL   46017   2025-07-08   
754-328 1 Fort Lauderdale FL   46017   2025-07-08   
754-334 8 Hollywood FL MIAMFL98XDX  46017   2024-08-16   
754-334 9 Hollywood FL MIAMFL98XDX  46017   2024-08-16   
754-337 8 Fort Lauderdale FL   46017   2025-06-30   
754-344 8 Hollywood FL   46017   2025-05-04   
754-344 9 Hollywood FL   46017   2025-05-04   
757-796 A Norfolk Zone 3 VA NRFLVABSXEX  252      
757-796 1 Norfolk Zone 3 VA NRFLVABSXEX  252   2023-05-22   
757-972 5 Norfolk Zone 3 VA NRFLVABSXEX  252   2024-10-28   
762-283 3 Athens GA ATLNGAQSXCX  438   2024-08-12   
762-343 A Augusta GA AGSUGAEZ4MD  442      
762-343 1 Augusta GA AGSUGAEZ4MD  442   2023-04-14   
762-343 2 Augusta GA AGSUGAEZ4MD  442   2024-06-09   
762-343 4 Augusta GA AGSUGAEZ4MD  442   2023-12-01   
762-343 5 Augusta GA AGSUGAEZ4MD  442   2024-06-09   
762-343 6 Augusta GA AGSUGAEZ4MD  442   2024-10-14   
762-343 7 Augusta GA AGSUGAEZ4MD  442   2024-10-14   
762-347 A Athens GA ATLNGAQSXCX  438      
762-347 1 Athens GA ATLNGAQSXCX  438   2023-04-14   
762-347 4 Athens GA ATLNGAQSXCX  438   2023-12-01   
762-347 5 Athens GA ATLNGAQSXCX  438   2023-12-01   
762-396 8 Columbus GA   438   2025-04-28   
762-446 0 Athens GA   438   2025-10-13   
762-446 1 Athens GA   438   2025-10-13   
762-744 0 Columbus GA ATLNGAMQXCX  438   2024-08-12   
762-989 6 Augusta GA AGSUGAEZ4MD  442   2024-10-14   
765-788 A Alexandria IN IPLSIN01XYZ  336      
765-788 1 Alexandria IN IPLSIN01XYZ  336   2022-12-08   
765-802 A Brookville IN RCMDINATBMD  937      
765-802 1 Brookville IN RCMDINATBMD  937   2023-05-05   
769-297 A Jackson MS JCSNMS60X4X  482      
769-297 1 Jackson MS JCSNMS60X4X  482   2023-04-03   
770-398 4 Carrollton GA ATLNGAMQXCX  438   2023-12-04   
770-585 A Carrollton GA ATLNGAMQXCX  438      
770-585 1 Carrollton GA ATLNGAMQXCX  438   2022-11-21   
774-374 7 Marlboro MA CMBRMABEXBX  128   2024-07-09   
774-505 4 Framingham MA CMBRMABEXBX  128   2024-05-27   
774-522 2 Framingham MA CMBRMABEXBX  128   2024-08-18   
774-525 A Worcester MA BSTPMALLHMD  128      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 >>

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.