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.

Dublin-San Ramon, CA

<< 1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
925-574 7 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-574 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2013-11-29   
925-574 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-01-14   
925-577 A OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-577 0 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-577 1 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-577 2 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-09-29   
925-577 3 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-577 4 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-577 5 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-577 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-577 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-577 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-577 9 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-587 A SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-587 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-12-10   
925-587 1 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2014-07-14   
925-587 2 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2020-02-21   
925-587 3 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-20   
925-587 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-07-11   
925-587 5 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2010-04-19   
925-587 6 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-03-29   
925-587 7 SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-03-28   
925-587 8 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-03-29   
925-587 9 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-20   
925-640 A CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-719 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-719 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-719 1 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-719 2 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-719 3 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2003-11-05   
925-719 4 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2003-11-05   
925-719 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-08-10   
925-719 6 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2007-10-16   
925-719 7 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2005-10-16   
925-719 8 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2009-09-15   
925-719 9 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2007-01-08   
925-785 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-803 A SNRMCA11DS1  9740 PACIFIC BELL 722      
925-819 A CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-819 0 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-819 1 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-819 2 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-819 3 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-03-09   
925-819 4 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-03-09   
925-819 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-06-18   
925-819 6 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-819 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-03-09   
925-819 8 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-11-03   
925-819 9 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-04-13   
925-828 A SNRMCA11DS1  9740 PACIFIC BELL 722      
925-829 A SNRMCA11DS1  9740 PACIFIC BELL 722      
925-833 A SNRMCA11DS1  9740 PACIFIC BELL 722      
925-858 A CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
925-875 A SNRMCA11DS1  9740 PACIFIC BELL 722      
925-875 0 SNRMCA11DS1  9740 PACIFIC BELL 722      
925-875 1 SNRMCA11DS1  9740 PACIFIC BELL 722      
925-875 2 SNRMCA11DS1  9740 PACIFIC BELL 722      
925-875 3 SNRMCA11DS1  9740 PACIFIC BELL 722      
925-875 4 SNRMCA11DS1  9740 PACIFIC BELL 722      
925-875 5 SNRMCA11DS1  9740 PACIFIC BELL 722      
925-875 6 SNRMCA11DS1  9740 PACIFIC BELL 722      
925-875 7 SNRMCA11DS1  9740 PACIFIC BELL 722      
925-875 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2014-11-01   
925-875 9 SNRMCA11DS1  9740 PACIFIC BELL 722      
925-895 A OKLECAZV1MD  5562 METROPCS, INC. 722      
925-895 0 OKLECAZV1MD  5562 METROPCS, INC. 722      
925-895 1 OKLECAZV1MD  5562 METROPCS, INC. 722      
925-895 2 OKLECAZV1MD  5562 METROPCS, INC. 722      
925-895 3 OKLECAZV1MD  5562 METROPCS, INC. 722      
925-895 4 OKLECAZV1MD  5562 METROPCS, INC. 722      
925-895 5 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-895 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-895 7 OKLECAZV1MD  5562 METROPCS, INC. 722      
925-895 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-895 9 OKLECAZV1MD  5562 METROPCS, INC. 722      
925-897 A OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
925-897 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-10-01   
925-897 1 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-09-20   
925-897 2 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-09-20   
925-897 3 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-09-20   
925-897 4 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-09-20   
925-897 5 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2022-09-20   
925-897 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-08-11   
925-897 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2023-08-11   
925-897 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-11-08   
925-897 9 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-11-08   
925-905 A OKLDCAAN5MD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 722      
925-905 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-905 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
925-905 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-905 3 SNFCCA21XPZ  553J WHITESKY COMMUNICATIONS, LLC 722   2021-09-11   
925-905 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-905 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
925-905 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-09-27   
925-905 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2006-01-08   
925-905 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-09-22   
925-905 9 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2015-04-25   
925-967 A DAVLCA13DS0  9740 PACIFIC BELL 722      
925-967 0 DAVLCA13DS0  9740 PACIFIC BELL 722      

<< 1 2 3 4 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.