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: 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
415-321 3 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-321 4 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-321 5 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-321 6 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-321 7 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-321 8 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-339 4 Sausalito CA SNJSCAYB0MD  722      
415-339 6 Sausalito CA SNJSCAYB0MD  722      
415-361 4 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-366 4 Belvedere CA SNJSCAYB0MD  722      
415-384 3 Mill Valley CA SNJSCAYB0MD  722      
415-384 4 Mill Valley CA SNJSCAYB0MD  722      
415-390 4 Point Reyes CA SNJSCAYB0MD  722      
415-400 7 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-400 8 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-410 A San Francisco: Montrose-Evergreen DA CA SNJSCAYB0MD  722      
415-410 0 San Francisco: Montrose-Evergreen DA CA SNJSCAYB0MD  722      
415-410 2 San Francisco: Montrose-Evergreen DA CA SNJSCAYB0MD  722      
415-417 3 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-417 6 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-419 A San Rafael CA SNJSCAYB0MD  722      
415-419 0 San Rafael CA SNJSCAYB0MD  722      
415-419 3 San Rafael CA SNJSCAYB0MD  722      
415-426 3 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-426 6 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-430 A San Francisco: Central DA CA SNJSCAYB0MD  722      
415-430 0 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-430 1 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-430 2 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-430 3 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-430 4 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-430 6 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-432 1 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-432 2 San Francisco: Central DA CA SNJSCAYBDS0  722      
415-432 4 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-432 5 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-470 5 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-471 2 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-475 4 Ignacio CA SNJSCAYB0MD  722      
415-475 5 Ignacio CA SNJSCAYB0MD  722      
415-475 6 Ignacio CA SNJSCAYB0MD  722      
415-483 8 Ignacio CA SNJSCAYB0MD  722      
415-493 2 Novato CA SNJSCAYB0MD  722      
415-493 3 Novato CA SNJSCAYB0MD  722      
415-493 4 Novato CA SNJSCAYB0MD  722      
415-496 2 Corte Madera CA SNJSCAYB0MD  722      
415-510 7 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-510 8 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-525 8 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-526 A San Rafael CA SNJSCAYB0MD  722      
415-526 0 San Rafael CA SNJSCAYB0MD  722      
415-526 1 San Rafael CA SNJSCAYB0MD  722      
415-526 2 San Rafael CA SNJSCAYB0MD  722      
415-526 4 San Rafael CA SNJSCAYB0MD  722      
415-526 5 San Rafael CA SNJSCAYB0MD  722      
415-526 6 San Rafael CA SNJSCAYB0MD  722      
415-526 7 San Rafael CA SNJSCAYB0MD  722      
415-526 8 San Rafael CA SNJSCAYB0MD  722      
415-526 9 San Rafael CA SNJSCAYB0MD  722      
415-562 A San Francisco: Juniper DA CA SNJSCAYB0MD  722      
415-562 1 San Francisco: Juniper DA CA SNJSCAYB0MD  722      
415-562 2 San Francisco: Juniper DA CA SNJSCAYB0MD  722      
415-562 3 San Francisco: Juniper DA CA SNJSCAYB0MD  722      
415-562 9 San Francisco: Juniper DA CA SNJSCAYB0MD  722      
415-568 A San Francisco: Central DA CA SNJSCAYB0MD  722      
415-568 2 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-568 3 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-568 4 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-568 9 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-569 A Mill Valley CA SNJSCAYB0MD  722      
415-569 9 Mill Valley CA SNJSCAYB0MD  722      
415-570 5 San Francisco: Juniper DA CA SNJSCAYB0MD  722      
415-598 6 Nicasio CA SNJSCAYB0MD  722      
415-624 8 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-632 4 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-632 5 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-635 2 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-635 3 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-644 4 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-653 4 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-653 5 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-655 2 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-655 4 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-655 5 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-655 6 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-655 7 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-655 8 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-660 2 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-660 3 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-694 5 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-694 6 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-694 7 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-735 2 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-746 A San Francisco: Central DA CA SNJSCAYB0MD  722      
415-746 1 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-748 3 San Francisco: Central DA CA SNJSCAYB0MD  722      
415-755 A San Rafael CA SNJSCAYB0MD  722      
415-755 1 San Rafael CA SNJSCAYB0MD  722      
415-755 2 San Rafael CA SNJSCAYB0MD  722      
415-755 6 San Rafael CA SNJSCAYB0MD  722      

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Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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