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.

NPA: 510 [Rate centres in NPA 510] [Dial plan for NPA 510]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-431 1 Fremont-Newark: Greenleaf DA CA OKLDCAOL1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
510-431 2 Fremont-Newark: Greenleaf DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-431 3 Fremont-Newark: Greenleaf DA CA SNFCCA01XGX  516C AT&T CORP. 722      
510-431 5 Fremont-Newark: Greenleaf DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-431 6 Fremont-Newark: Greenleaf DA CA OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722      
510-431 7 Fremont-Newark: Greenleaf DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-431 8 Fremont-Newark: Greenleaf DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-431 9 Fremont-Newark: Greenleaf DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-432 A Hayward CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-433 A Oakland: Main-Piedmont DA CA OKLDCA03DS2  9740 PACIFIC BELL 722      
510-433 0 Oakland: Main-Piedmont DA CA OKLDCA03DS2  9740 PACIFIC BELL 722      
510-433 1 Oakland: Main-Piedmont DA CA OKLDCA03DS2  9740 PACIFIC BELL 722      
510-433 2 Oakland: Main-Piedmont DA CA OKLDCA03DS2  9740 PACIFIC BELL 722      
510-433 3 Oakland: Main-Piedmont DA CA OKLDCA03DS2  9740 PACIFIC BELL 722      
510-433 4 Oakland: Main-Piedmont DA CA OKLDCA03DS2  9740 PACIFIC BELL 722      
510-433 5 Oakland: Main-Piedmont DA CA OKLDCA03DS2  9740 PACIFIC BELL 722      
510-433 6 Oakland: Main-Piedmont DA CA OKLDCA03DS2  9740 PACIFIC BELL 722      
510-433 7 Oakland: Main-Piedmont DA CA OKLDCA03DS2  9740 PACIFIC BELL 722      
510-433 8 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-433 9 Oakland: Main-Piedmont DA CA OKLDCA03DS2  9740 PACIFIC BELL 722      
510-434 A Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-434 0 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-434 1 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-434 2 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-434 3 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-434 4 Oakland: Fruitvale DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-434 5 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-434 6 Oakland: Fruitvale DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-434 7 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-434 8 Oakland: Fruitvale DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-434 9 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-435 A Oakland: Main-Piedmont DA CA   6529 T-MOBILE USA, INC. 722      
510-435 0 Oakland: Main-Piedmont DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-435 1 Oakland: Main-Piedmont DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-435 2 Oakland: Main-Piedmont DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-435 3 Oakland: Main-Piedmont DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-435 4 Oakland: Main-Piedmont DA CA   6529 T-MOBILE USA, INC. 722      
510-435 5 Oakland: Main-Piedmont DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-435 6 Oakland: Main-Piedmont DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-435 7 Oakland: Main-Piedmont DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-435 8 Oakland: Main-Piedmont DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-435 9 Oakland: Main-Piedmont DA CA   6529 T-MOBILE USA, INC. 722      
510-436 A Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-437 A Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-437 0 Oakland: Fruitvale DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-437 1 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-437 2 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-437 3 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-437 4 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-437 5 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-437 6 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-437 7 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-437 8 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-437 9 Oakland: Fruitvale DA CA OKLDCA04DS0  9740 PACIFIC BELL 722      
510-438 A Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-438 0 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-438 1 Fremont-Newark: Oliver DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-438 2 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-438 3 Fremont-Newark: Oliver DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-438 4 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-438 5 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-438 6 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-438 7 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-438 8 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-438 9 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-439 A Richmond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-439 0 Richmond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-439 1 Richmond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-439 2 Richmond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-439 3 Richmond CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-439 4 Richmond CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-439 5 Richmond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-439 6 Richmond CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-439 7 Richmond CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-439 8 Richmond CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-439 9 Richmond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-440 A Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-440 0 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-440 1 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-440 3 Fremont-Newark: Oliver DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-440 4 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-440 5 Fremont-Newark: Oliver DA CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
510-440 6 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-440 7 Fremont-Newark: Oliver DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-440 8 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-440 9 Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-441 A Fremont-Newark: Greenleaf DA CA UNCYCA11DS0  9740 PACIFIC BELL 722      
510-441 0 Fremont-Newark: Greenleaf DA CA UNCYCA11DS0  9740 PACIFIC BELL 722      
510-441 1 Fremont-Newark: Greenleaf DA CA UNCYCA11DS0  9740 PACIFIC BELL 722      
510-441 2 Fremont-Newark: Greenleaf DA CA UNCYCA11DS0  9740 PACIFIC BELL 722      
510-441 3 Fremont-Newark: Greenleaf DA CA UNCYCA11DS0  9740 PACIFIC BELL 722      
510-441 4 Fremont-Newark: Greenleaf DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-441 5 Fremont-Newark: Greenleaf DA CA UNCYCA11DS0  9740 PACIFIC BELL 722      
510-441 6 Fremont-Newark: Greenleaf DA CA UNCYCA11DS0  9740 PACIFIC BELL 722      
510-441 7 Fremont-Newark: Greenleaf DA CA UNCYCA11DS0  9740 PACIFIC BELL 722      
510-441 8 Fremont-Newark: Greenleaf DA CA UNCYCA11DS0  9740 PACIFIC BELL 722      
510-441 9 Fremont-Newark: Greenleaf DA CA UNCYCA11DS0  9740 PACIFIC BELL 722      
510-442 A Oakland: Main-Piedmont DA CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
510-443 A Fremont-Newark: Main DA CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
510-443 0 Fremont-Newark: Main DA CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 >>

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.