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
925-226 4 Pleasanton CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-226 5 Pleasanton CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2003-04-23   
925-226 6 Pleasanton CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-04-12   
925-226 7 Pleasanton CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2007-09-07   
925-226 8 Pleasanton CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-08-29   
925-226 9 Pleasanton CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2005-04-03   
925-227 A Pleasanton CA PLTNCA13DS0  9740 PACIFIC BELL 722      
925-228 A Martinez CA MRTZCA11DS0  9740 PACIFIC BELL 722      
925-229 A Martinez CA MRTZCA11DS0  9740 PACIFIC BELL 722      
925-230 A Dublin-San Ramon CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-230 0 Dublin-San Ramon CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-04-30   
925-230 1 Dublin-San Ramon CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2007-09-07   
925-230 2 Dublin-San Ramon CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-230 3 Dublin-San Ramon CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2020-11-08   
925-230 4 Dublin-San Ramon CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2020-11-08   
925-230 5 Dublin-San Ramon CA SNFCCAMKX9X  073H TELNYX LLC 722   2020-11-26   
925-230 6 Dublin-San Ramon CA OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722   2009-04-28   
925-230 7 Dublin-San Ramon CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2020-09-21   
925-230 8 Dublin-San Ramon CA SNFCCA01XGX  516C AT&T CORP. 722   2006-06-30   
925-230 9 Dublin-San Ramon CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2009-06-23   
925-231 A Martinez CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-231 0 Martinez CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-10-16   
925-231 1 Martinez CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-03-15   
925-231 2 Martinez CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2003-09-14   
925-231 3 Martinez CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-08-02   
925-231 4 Martinez CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-231 5 Martinez CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2005-12-23   
925-231 6 Martinez CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-30   
925-231 7 Martinez CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2009-12-19   
925-231 8 Martinez CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-09-11   
925-231 9 Martinez CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-09-16   
925-232 A Pittsburg West CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-232 0 Pittsburg West CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-01-14   
925-232 1 Pittsburg West CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-03-04   
925-232 2 Pittsburg West CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2003-09-14   
925-232 3 Pittsburg West CA OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2005-08-22   
925-232 4 Pittsburg West CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-232 5 Pittsburg West CA SNFCCA21XPZ  553J WHITESKY COMMUNICATIONS, LLC 722   2021-09-16   
925-232 6 Pittsburg West CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2005-01-25   
925-232 7 Pittsburg West CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2017-05-17   
925-232 8 Pittsburg West CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-30   
925-232 9 Pittsburg West CA SNFCCAMKX9X  073H TELNYX LLC 722   2021-11-06   
925-233 A Sunol CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-233 0 Sunol CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-01-15   
925-233 1 Sunol CA   515J IP HORIZON LLC 722   2003-10-13   
925-233 2 Sunol CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-05-21   
925-233 3 Sunol CA SNJUCACL3MD  073H TELNYX LLC 722   2017-07-21   
925-233 4 Sunol CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-233 5 Sunol CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-08-30   
925-233 6 Sunol CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-06-18   
925-233 7 Sunol CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2009-12-24   
925-233 8 Sunol CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-08-02   
925-233 9 Sunol CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-07-18   
925-234 A Antioch CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-234 0 Antioch CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-08-11   
925-234 1 Antioch CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-08-11   
925-234 2 Antioch CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-08-11   
925-234 3 Antioch CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-08-11   
925-234 4 Antioch CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-234 5 Antioch CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-11-05   
925-234 6 Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2006-08-22   
925-234 7 Antioch CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2003-02-02   
925-234 8 Antioch CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2008-08-15   
925-234 9 Antioch CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-12-29   
925-235 A Moraga CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-235 0 Moraga CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-01-07   
925-235 1 Moraga CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2007-04-07   
925-235 2 Moraga CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2003-09-14   
925-235 3 Moraga CA SNFCCA21XPZ  553J WHITESKY COMMUNICATIONS, LLC 722   2021-09-16   
925-235 4 Moraga CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-235 5 Moraga CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2024-11-19   
925-235 6 Moraga CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2004-12-31   
925-235 7 Moraga CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-10-25   
925-235 8 Moraga CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2021-04-15   
925-235 9 Moraga CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2016-08-15   
925-236 A Dublin-San Ramon CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-236 0 Dublin-San Ramon CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
925-236 1 Dublin-San Ramon CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-236 2 Dublin-San Ramon CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-236 3 Dublin-San Ramon CA SNJUCACL3MD  073H TELNYX LLC 722   2017-06-05   
925-236 4 Dublin-San Ramon CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-236 5 Dublin-San Ramon CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-236 6 Dublin-San Ramon CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-236 7 Dublin-San Ramon CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-236 8 Dublin-San Ramon CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-236 9 Dublin-San Ramon CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
925-237 A Antioch CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-237 0 Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2007-08-13   
925-237 1 Antioch CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2008-11-24   
925-237 2 Antioch CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
925-237 3 Antioch CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2007-03-02   
925-237 4 Antioch CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2004-09-16   
925-237 5 Antioch CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2004-09-16   
925-237 6 Antioch CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2008-11-02   
925-237 7 Antioch CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2003-11-19   
925-237 8 Antioch CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2006-09-01   
925-237 9 Antioch CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2004-12-29   
925-238 A Antioch CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
925-238 0 Antioch CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2008-12-15   
925-238 1 Antioch CA OKLECAZV1MD  5562 METROPCS, INC. 722   2008-12-18   

<< 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: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.