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
510-606 0 Hayward CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2010-10-08   
510-606 1 Hayward CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2010-10-20   
510-606 2 Hayward CA OKLECAZVGT0  5562 METROPCS, INC. 722   2010-11-08   
510-606 3 Hayward CA OKLECAZVGT0  5562 METROPCS, INC. 722   2010-11-08   
510-606 4 Hayward CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-11-11   
510-606 5 Hayward CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-11-11   
510-606 6 Hayward CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-11-11   
510-606 7 Hayward CA SNFCCAMMDS7  258E YMAX COMMUNICATIONS CORP. - CA 722   2010-11-08   
510-606 8 Hayward CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-11-11   
510-606 9 Hayward CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-11-27   
510-607 A Oakland: Main-Piedmont DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-607 0 Oakland: Main-Piedmont DA CA SNJUCACL2MD  197D VONAGE AMERICA LLC 722   2020-06-03   
510-607 1 Oakland: Main-Piedmont DA CA SNJUCACL2MD  197D VONAGE AMERICA LLC 722   2020-06-03   
510-607 2 Oakland: Main-Piedmont DA CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2018-05-12   
510-607 3 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2018-05-12   
510-607 4 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2018-05-12   
510-607 5 Oakland: Main-Piedmont DA CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2018-05-12   
510-607 6 Oakland: Main-Piedmont DA CA FRMTCAJYDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722   2018-07-13   
510-607 7 Oakland: Main-Piedmont DA CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2020-06-26   
510-607 8 Oakland: Main-Piedmont DA CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2018-09-28   
510-607 9 Oakland: Main-Piedmont DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2020-08-08   
510-608 A Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-608 0 Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-608 1 Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-608 2 Fremont-Newark: Main DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-12-15   
510-608 3 Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-608 4 Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-608 5 Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-608 6 Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-608 7 Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-608 8 Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-608 9 Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-609 A Richmond CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-609 0 Richmond CA FRMTCAJYDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722   2018-07-13   
510-609 1 Richmond CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-05-31   
510-609 2 Richmond CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-06-18   
510-609 3 Richmond CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-07-12   
510-609 4 Richmond CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2018-11-02   
510-609 5 Richmond CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2018-12-31   
510-609 6 Richmond CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-07-12   
510-609 7 Richmond CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2019-04-21   
510-609 8 Richmond CA OKLECAZVGT0  5562 METROPCS, INC. 722   2018-05-26   
510-609 9 Richmond CA   5562 METROPCS, INC. 722   2018-05-26   
510-610 A Oakland: Main-Piedmont DA CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-612 A Oakland: Main-Piedmont DA CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-613 A Oakland: Trinidad DA CA OKLDCA12DS0  9740 PACIFIC BELL 722      
510-613 0 Oakland: Trinidad DA CA OKLDCA12DS0  9740 PACIFIC BELL 722      
510-613 1 Oakland: Trinidad DA CA OKLDCA12DS0  9740 PACIFIC BELL 722      
510-613 2 Oakland: Trinidad DA CA OKLDCA12DS0  9740 PACIFIC BELL 722      
510-613 3 Oakland: Trinidad DA CA OKLECAZVGT0  5562 METROPCS, INC. 722   2012-03-18   

<< 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: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.