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
925-303 3 Antioch CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-303 4 Antioch CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-303 5 Antioch CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-303 6 Antioch CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-303 7 Antioch CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-303 8 Antioch CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-303 9 Antioch CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-304 A Clayton CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-304 0 Clayton CA   6529 T-MOBILE USA, INC. 722      
925-304 1 Clayton CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-304 2 Clayton CA SNFCCA01XGX  516C AT&T CORP. 722      
925-304 3 Clayton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-304 4 Clayton CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-304 5 Clayton CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-304 6 Clayton CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-304 7 Clayton CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-304 8 Clayton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-304 9 Clayton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-305 A Concord CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-305 0 Concord CA   5562 METROPCS, INC. 722      
925-305 1 Concord CA   5562 METROPCS, INC. 722      
925-305 2 Concord CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-305 3 Concord CA OKLECAZVGT0  5562 METROPCS, INC. 722      
925-305 4 Concord CA   5562 METROPCS, INC. 722      
925-305 5 Concord CA   5562 METROPCS, INC. 722      
925-305 6 Concord CA OKLECAZVGT0  5562 METROPCS, INC. 722      
925-305 7 Concord CA OKLECAZVGT0  5562 METROPCS, INC. 722      
925-305 8 Concord CA OKLECAZVGT0  5562 METROPCS, INC. 722      
925-305 9 Concord CA OKLECAZVGT0  5562 METROPCS, INC. 722      
925-306 A East Contra Costa CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722      
925-306 0 East Contra Costa CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722      
925-306 1 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-306 2 East Contra Costa CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-306 3 East Contra Costa CA FRMTCAJYDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722      
925-306 4 East Contra Costa CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-306 5 East Contra Costa CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-306 6 East Contra Costa CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722      
925-306 7 East Contra Costa CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-306 8 East Contra Costa CA SNJUCACL3MD  073H TELNYX LLC 722      
925-306 9 East Contra Costa CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-307 A Dublin-San Ramon CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-307 0 Dublin-San Ramon CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-307 1 Dublin-San Ramon CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-307 2 Dublin-San Ramon CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-307 3 Dublin-San Ramon CA OKLDCA03XKY  624H ONVOY SPECTRUM, LLC 722      
925-307 4 Dublin-San Ramon CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-307 5 Dublin-San Ramon CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-307 6 Dublin-San Ramon CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-307 7 Dublin-San Ramon CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-307 8 Dublin-San Ramon CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-307 9 Dublin-San Ramon CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-308 A East Contra Costa CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-308 0 East Contra Costa CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-308 1 East Contra Costa CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-308 2 East Contra Costa CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-308 3 East Contra Costa CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-308 4 East Contra Costa CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-308 5 East Contra Costa CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-308 6 East Contra Costa CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-308 7 East Contra Costa CA BRWDCA12DS0  9740 PACIFIC BELL 722      
925-308 8 East Contra Costa CA BRWDCA12DS0  9740 PACIFIC BELL 722      
925-308 9 East Contra Costa CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-309 A Danville CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-309 0 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-309 1 Danville CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-309 2 Danville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-309 3 Danville CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-309 4 Danville CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-309 5 Danville CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-309 6 Danville CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-309 7 Danville CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-309 8 Danville CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-309 9 Danville CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-310 A Lafayette CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-310 0 Lafayette CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-310 1 Lafayette CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-310 2 Lafayette CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-310 3 Lafayette CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-310 4 Lafayette CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-310 5 Lafayette CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-310 6 Lafayette CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-310 7 Lafayette CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-310 8 Lafayette CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-310 9 Lafayette CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-312 A Antioch CA SNFCCA21XEZ  6630 USA MOBILITY WIRELESS, INC. 722      
925-313 A Martinez CA MRTZCA11DS0  9740 PACIFIC BELL 722      
925-314 A Danville CA DAVLCA12DS0  9740 PACIFIC BELL 722      
925-314 0 Danville CA DAVLCA12DS0  9740 PACIFIC BELL 722      
925-314 1 Danville CA DAVLCA12DS0  9740 PACIFIC BELL 722      
925-314 2 Danville CA DAVLCA12DS0  9740 PACIFIC BELL 722      
925-314 3 Danville CA DAVLCA12DS0  9740 PACIFIC BELL 722      
925-314 4 Danville CA DAVLCA12DS0  9740 PACIFIC BELL 722      
925-314 5 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-314 6 Danville CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-314 7 Danville CA DAVLCA12DS0  9740 PACIFIC BELL 722      
925-314 8 Danville CA DAVLCA12DS0  9740 PACIFIC BELL 722      
925-314 9 Danville CA DAVLCA12DS0  9740 PACIFIC BELL 722      
925-315 A Livermore CA OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-315 0 Livermore CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-315 1 Livermore 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: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.