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]

Block: A

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

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-760 A Hayward CA OKLDCA61DMD  6664 SPRINT SPECTRUM L.P. 722      
510-761 A Oakland: Main-Piedmont DA CA SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-762 A Oakland: Main-Piedmont DA CA OKLDCA0302T  9740 PACIFIC BELL 722      
510-763 A Oakland: Main-Piedmont DA CA OKLDCA03DS4  9740 PACIFIC BELL 722      
510-764 A Oakland: Alameda DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-765 A El Sobrante-Pinole CA ELSBCA11DS0  9740 PACIFIC BELL 722      
510-766 A Fremont-Newark: Main DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-767 A Fremont-Newark: Main DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-768 A Oakland: Main-Piedmont DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-769 A Oakland: Alameda DA CA ALMDCA11DS0  9740 PACIFIC BELL 722      
510-770 A Fremont-Newark: Oliver DA CA FRMTCA12DS0  9740 PACIFIC BELL 722      
510-771 A Fremont-Newark: Oliver DA CA HYWRCAMCDS0  7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 722      
510-772 A Oakland: Main-Piedmont DA CA OKLDCA61DMD  6664 SPRINT SPECTRUM L.P. 722      
510-773 A Oakland: Main-Piedmont DA CA OKLDCA61DMD  6664 SPRINT SPECTRUM L.P. 722      
510-774 A Oakland: Main-Piedmont DA CA OKLDCA61DMD  6664 SPRINT SPECTRUM L.P. 722      
510-775 A Oakland: Alameda DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-776 A Richmond CA OKLECAZVGT0  5562 METRO PCS, INC. 722      
510-777 A Oakland: Trinidad DA CA OKLDCA12DS0  9740 PACIFIC BELL 722      
510-778 A Richmond CA OKLDCA03XOY  318J COMCAST IP PHONE LLC 722      
510-779 A El Sobrante-Pinole CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-780 A Hayward CA HYWRCA11DS0  9740 PACIFIC BELL 722      
510-781 A Hayward CA HYWRCA11DS0  9740 PACIFIC BELL 722      
510-782 A Hayward CA HYWRCA11DS0  9740 PACIFIC BELL 722      
510-783 A Hayward CA HYWRCA11DS0  9740 PACIFIC BELL 722      
510-784 A Hayward CA HYWRCA11DS0  9740 PACIFIC BELL 722      
510-785 A Hayward CA HYWRCA11DS0  9740 PACIFIC BELL 722      
510-786 A Hayward CA HYWRCA11DS0  9740 PACIFIC BELL 722      
510-787 A Crockett CA CRCTCA02RS1  9740 PACIFIC BELL 722      
510-788 A Oakland: Main-Piedmont DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-789 A Fremont-Newark: Main DA CA HYWRCAMCDS0  7240 MCI WORLDCOM COMMUNICATIONS, INC., CA 722      
510-790 A Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-791 A Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-792 A Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-793 A Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-794 A Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-795 A Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-796 A Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-797 A Fremont-Newark: Main DA CA FRMTCA11DS0  9740 PACIFIC BELL 722      
510-798 A Oakland: Trinidad DA CA OKLDCA61DMD  6664 SPRINT SPECTRUM L.P. 722      
510-799 A Hercules-Rodeo CA HRCLCA11DS0  9740 PACIFIC BELL 722      
510-800 A Oakland: Alameda DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-801 A Oakland: Main-Piedmont DA CA SNFCCA21XUY  6630 USA MOBILITY WIRELESS, INC. 722      
510-802 A Oakland: Main-Piedmont DA CA SNFCCA21XUY  6630 USA MOBILITY WIRELESS, INC. 722      
510-803 A Hercules-Rodeo CA FRMTCAEDDS0  7262 XO CALIFORNIA, INC. 722      
510-804 A El Sobrante-Pinole CA OKLDCAMPDS0  4733 PAETEC COMMUNICATIONS, INC. - CA 722      
510-805 A Oakland: Main-Piedmont DA CA SNFCCA21XUY  6630 USA MOBILITY WIRELESS, INC. 722      
510-806 A Richmond CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-807 A Hayward CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-808 A Oakland: Main-Piedmont DA CA OKLDCA03DS2  9740 PACIFIC BELL 722      
510-809 A Oakland: Berkeley DA CA SNJSCAYBDS2  7453 U.S. TELEPACIFIC CORP. - CA 722      

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

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.