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.

Concord, CA

1 2 3 4 5 6 7 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
925-207 A   5562 METROPCS, INC. 722      
925-207 0 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-207 1 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-207 2   5562 METROPCS, INC. 722      
925-207 3 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-207 4 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-207 5 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-207 6 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-207 7 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-207 8 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-207 9   5562 METROPCS, INC. 722      
925-222 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-222 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-222 1 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-222 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-222 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-222 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-222 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-222 6 OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722      
925-222 7 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-222 8 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-222 9 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-246 A CNCRCA01DS0  9740 PACIFIC BELL 722      
925-246 0 CNCRCA01DS0  9740 PACIFIC BELL 722      
925-246 1 CNCRCA01DS0  9740 PACIFIC BELL 722      
925-246 2 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-246 3 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-246 4 CNCRCA01DS0  9740 PACIFIC BELL 722      
925-246 5 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-246 6 CNCRCA01DS0  9740 PACIFIC BELL 722      
925-246 7 CNCRCA01DS0  9740 PACIFIC BELL 722      
925-246 8 CNCRCA01DS0  9740 PACIFIC BELL 722      
925-246 9 CNCRCA01DS0  9740 PACIFIC BELL 722      
925-250 A   5562 METROPCS, INC. 722      
925-250 0   5562 METROPCS, INC. 722      
925-250 1 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-250 2 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-250 3 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-250 4 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-250 5 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-250 6 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-250 7 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-250 8 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-250 9 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-265 A OKLDCAOL1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
925-265 0 OKLDCAOL1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
925-265 1 OKLDCAOL1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
925-265 2 OKLDCAOL1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
925-265 3 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-265 4 OKLDCAOL1MD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 722      
925-265 6   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-265 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-265 8 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-270 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-270 0 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-270 1 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-270 2 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-270 3 SNFCCAMMDS0  485E ASTOUND BROADBAND, LLC - CA 722      
925-270 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-270 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-270 6 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-270 7 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-270 8 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-270 9 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-288 A CNCRCA01DS1  9740 PACIFIC BELL 722      
925-305 A OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-305 0   5562 METROPCS, INC. 722      
925-305 1   5562 METROPCS, INC. 722      
925-305 2 OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-305 3 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-305 4   5562 METROPCS, INC. 722      
925-305 5   5562 METROPCS, INC. 722      
925-305 6 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-305 7 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-305 8 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-305 9 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-326 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-326 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-326 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-326 2 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
925-326 3 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-326 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-326 5 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-326 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-326 7 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-326 8 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-326 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-332 A SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
925-332 0 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
925-332 1 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
925-332 2 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
925-332 3 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
925-332 4 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
925-332 5 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-332 6 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-332 7 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-332 8 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-332 9 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-334 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-334 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      

1 2 3 4 5 6 7 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.