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: 925 [Rate centres in NPA 925] [Dial plan for NPA 925]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-446 8 Concord CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722      
925-446 9 Concord CA   5562 METROPCS, INC. 722      
925-447 A Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-448 A Walnut Creek CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-448 0 Walnut Creek CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-448 1 Walnut Creek CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-448 2 Walnut Creek CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-448 3 Walnut Creek CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-448 4 Walnut Creek CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-448 5 Walnut Creek CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-448 6 Walnut Creek CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-448 7 Walnut Creek CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-448 8 Walnut Creek CA SNFCCA01XGX  516C AT&T CORP. 722      
925-448 9 Walnut Creek CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-449 A Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-450 A East Contra Costa CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-450 0 East Contra Costa CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-450 1 East Contra Costa CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-450 2 East Contra Costa CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-450 3 East Contra Costa CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-450 4 East Contra Costa CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-450 5 East Contra Costa CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-450 6 East Contra Costa CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-450 7 East Contra Costa CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-450 8 East Contra Costa CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-450 9 East Contra Costa CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-451 A Walnut Creek CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-451 0 Walnut Creek CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-451 1 Walnut Creek CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-451 2 Walnut Creek CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-451 3 Walnut Creek CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-451 4 Walnut Creek CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-451 5 Walnut Creek CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-451 6 Walnut Creek CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-451 7 Walnut Creek CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-451 8 Walnut Creek CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-451 9 Walnut Creek CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-452 A Dublin-San Ramon CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-452 0 Dublin-San Ramon CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-452 1 Dublin-San Ramon CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-452 2 Dublin-San Ramon CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-452 3 Dublin-San Ramon CA   624H ONVOY SPECTRUM, LLC 722      
925-452 4 Dublin-San Ramon CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-452 5 Dublin-San Ramon CA SNJUCACL00Z  490J DISH WIRELESS, LLC 722      
925-452 6 Dublin-San Ramon CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-452 7 Dublin-San Ramon CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-452 8 Dublin-San Ramon CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-452 9 Dublin-San Ramon CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-453 A Livermore CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-453 0 Livermore CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-453 1 Livermore CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-453 2 Livermore CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-453 3 Livermore CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-453 4 Livermore CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-453 5 Livermore CA SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
925-453 6 Livermore CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-453 7 Livermore CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
925-453 8 Livermore CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-453 9 Livermore CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-454 A Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-455 A Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-455 0 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-455 1 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-455 2 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-455 3 Livermore CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-455 4 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-455 5 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-455 6 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-455 7 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-455 8 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-455 9 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-456 A Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-456 0 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-456 1 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-456 2 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-456 3 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-456 4 Livermore CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-456 5 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-456 6 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-456 7 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-456 8 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-456 9 Livermore CA LVMRCA11DS1  9740 PACIFIC BELL 722      
925-457 A Walnut Creek CA   6529 T-MOBILE USA, INC. 722      
925-457 0 Walnut Creek CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-457 1 Walnut Creek CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-457 2 Walnut Creek CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-457 3 Walnut Creek CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-457 4 Walnut Creek CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-457 5 Walnut Creek CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-457 6 Walnut Creek CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-457 7 Walnut Creek CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-457 8 Walnut Creek CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-457 9 Walnut Creek CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-458 A Pittsburg West CA PSBGCA11DS0  9740 PACIFIC BELL 722      
925-459 A Concord CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-459 0 Concord CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-459 1 Concord CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-459 2 Concord CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-459 3 Concord CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-459 4 Concord CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - 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 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.