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 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
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   2021-01-08   
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   2021-01-08   
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   2003-02-28   
510-439 4 Richmond CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2001-07-30   
510-439 5 Richmond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2003-01-08   
510-439 6 Richmond CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-03-23   
510-439 7 Richmond CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-03-23   
510-439 8 Richmond CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-03-23   
510-439 9 Richmond CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2006-01-09   
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 2 Fremont-Newark: Oliver DA CA   145J TERRA NOVA TELECOM INC. 722   2021-01-07   
510-440 3 Fremont-Newark: Oliver DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-01-08   
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   2018-10-26   
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   2022-12-17   
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   2007-03-15   
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      

<< 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 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.