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.

Pittsburg, CA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
925-203 A CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-203 0 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-203 1 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-203 2 SNFCCA21XPZ  553J WHITESKY COMMUNICATIONS, LLC 722      
925-203 3 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
925-203 4 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-203 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-203 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-203 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-203 8 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-203 9 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-220 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-220 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-220 1 SNJUCACL4MD  939H COMMIO, LLC 722      
925-220 2   624H ONVOY SPECTRUM, LLC 722      
925-220 3 SNJUCACL4MD  939H COMMIO, LLC 722      
925-220 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-220 5   624H ONVOY SPECTRUM, LLC 722      
925-220 6   624H ONVOY SPECTRUM, LLC 722      
925-220 7   624H ONVOY SPECTRUM, LLC 722      
925-220 8 SNJUCACL4MD  939H COMMIO, LLC 722      
925-220 9 SNJUCACL4MD  939H COMMIO, LLC 722      
925-252 A PSBGCA01DS0  9740 PACIFIC BELL 722      
925-252 0 PSBGCA01DS0  9740 PACIFIC BELL 722      
925-252 1 PSBGCA01DS0  9740 PACIFIC BELL 722      
925-252 2 PSBGCA01DS0  9740 PACIFIC BELL 722      
925-252 3 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-252 4 PSBGCA01DS0  9740 PACIFIC BELL 722      
925-252 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-252 6 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-252 7 SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
925-252 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-252 9 PSBGCA01DS0  9740 PACIFIC BELL 722      
925-267 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-267 0 SNFCCA01XGX  516C AT&T CORP. 722      
925-267 1   515J IP HORIZON LLC 722      
925-267 2 SNFCCA01XGX  516C AT&T CORP. 722      
925-267 3 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-267 4 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-267 5 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-267 6 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
925-267 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-267 8 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-267 9 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-318 A OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-318 0 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-318 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-318 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-318 3 OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
925-318 4 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-318 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-318 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-318 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-318 8 SNJUCACL3MD  073H TELNYX LLC 722      
925-318 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-427 A PSBGCA01DS0  9740 PACIFIC BELL 722      
925-431 A PSBGCA01DS0  9740 PACIFIC BELL 722      
925-431 0 PSBGCA01DS0  9740 PACIFIC BELL 722      
925-431 1 PSBGCA01DS0  9740 PACIFIC BELL 722      
925-431 2 PSBGCA01DS0  9740 PACIFIC BELL 722      
925-431 3 PSBGCA01DS0  9740 PACIFIC BELL 722      
925-431 4 PSBGCA01DS0  9740 PACIFIC BELL 722      
925-431 5 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-431 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-431 7 PSBGCA01DS0  9740 PACIFIC BELL 722      
925-431 8 PSBGCA01DS0  9740 PACIFIC BELL 722      
925-431 9 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-432 A PSBGCA01DS0  9740 PACIFIC BELL 722      
925-439 A PSBGCA01DS0  9740 PACIFIC BELL 722      
925-473 A PSBGCA01DS0  9740 PACIFIC BELL 722      
925-492 A SNJUCACL4MD  939H COMMIO, LLC 722      
925-492 0 SNJUCACL4MD  939H COMMIO, LLC 722      
925-492 1 SNJUCACL4MD  939H COMMIO, LLC 722      
925-492 2 SNJUCACL4MD  939H COMMIO, LLC 722      
925-492 3 SNFCCAMKX9X  073H TELNYX LLC 722      
925-492 4 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
925-492 5 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
925-492 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-492 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-492 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-492 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-526 A SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-526 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-526 1 OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722      
925-526 2 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-526 3 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-526 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-526 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-526 6 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-526 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-526 8 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-526 9 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-573 A SNFCCACQDS0  7894 NORTH COUNTY COMMUNICATION CORPORATION - CA 722      
925-597 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-597 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-597 1 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-597 2 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-597 3 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-597 4 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-597 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      

1 2 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.