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.

Oakland: Main-Piedmont DA, CA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
510-757 1 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-11-06   
510-757 2 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-757 3 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-757 4 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-757 5 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-757 6 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-757 7 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-757 8 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-757 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-11-06   
510-759 A SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-759 0 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-759 1 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2003-02-15   
510-759 2 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2003-01-30   
510-759 3 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2003-01-30   
510-759 4 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2003-01-30   
510-759 5 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2004-07-08   
510-759 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2004-10-24   
510-759 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2005-01-07   
510-759 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2003-01-30   
510-759 9 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2003-01-30   
510-761 A SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-761 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-04-23   
510-761 1 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-761 2 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-761 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-04-23   
510-761 4 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2016-11-09   
510-761 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2008-11-21   
510-761 6 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2008-11-21   
510-761 7 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-05-03   
510-761 8 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-05-03   
510-761 9 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-05-03   
510-762 A OKLDCA0302T  9740 PACIFIC BELL 722      
510-763 A OKLDCA03DS4  9740 PACIFIC BELL 722      
510-768 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-768 0 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-768 1 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-768 2 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-768 3 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-768 4 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-768 5 SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2020-09-04   
510-768 6 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-768 7 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-05-08   
510-768 8 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-11-14   
510-768 9 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-772 A OKLECAZV1MD  5562 METROPCS, INC. 722      
510-772 0 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-772 1 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-772 2 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-772 3 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-772 4 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-772 5 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-772 6 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-772 7 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-772 8 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-772 9 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-773 A OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-773 0 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-773 1 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-773 2 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-773 3 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-773 4 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-773 5 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-773 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-773 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-773 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-773 9 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-774 A OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-774 0 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-774 1 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-774 2 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-774 3 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-774 4 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-774 5 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-774 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-774 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-774 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-774 9 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-788 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-788 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
510-788 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-08-23   
510-788 2 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-11-20   
510-788 3 OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722   2009-07-06   
510-788 4 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2009-05-08   
510-788 5 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2009-12-14   
510-788 6 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2009-12-14   
510-788 7 SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2012-12-16   
510-788 8 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-06-16   
510-788 9 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-07   
510-801 A SNFCCA21XEZ  6630 USA MOBILITY WIRELESS, INC. 722      
510-802 A SNFCCA21XEZ  6630 USA MOBILITY WIRELESS, INC. 722      
510-805 A SNFCCA21XEZ  6630 USA MOBILITY WIRELESS, INC. 722      
510-808 A OKLDCA03DS2  9740 PACIFIC BELL 722      
510-808 0 OKLDCA03DS2  9740 PACIFIC BELL 722      
510-808 1 OKLDCA03DS2  9740 PACIFIC BELL 722      
510-808 2 OKLDCA03DS2  9740 PACIFIC BELL 722      
510-808 3   145J TERRA NOVA TELECOM INC. 722   2021-01-07   
510-808 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-03-03   
510-808 5 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2012-12-03   
510-808 6 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2014-02-27   
510-808 7 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2013-08-15   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.