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.

Walnut Creek, 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
925-639 A OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
925-658 A OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-658 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-07-09   
925-658 1 OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-658 2 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-05-18   
925-658 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2008-02-28   
925-658 4 SNFCCAMMDS7  258E YMAX COMMUNICATIONS CORP. - CA 722   2008-03-30   
925-658 5 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-03-03   
925-658 6 OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-658 7 OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-658 8 OKLECAZVGT0  5562 METROPCS, INC. 722   2008-03-31   
925-658 9 OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
925-705 A OKLECAZVGT0  5562 METROPCS, INC. 722      
925-705 0 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-705 1 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-705 2 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-705 3 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-705 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2008-07-01   
925-705 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2008-07-04   
925-705 6 OKLECAZVGT0  5562 METROPCS, INC. 722   2007-08-09   
925-705 7 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2008-07-18   
925-705 8 SNFCCAMMDS7  258E YMAX COMMUNICATIONS CORP. - CA 722   2008-09-01   
925-705 9 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2007-08-09   
925-708 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-722 A SNJUCACL7MD  965H FRACTEL, LLC 722      
925-722 0 SNJUCACL4MD  939H COMMIO, LLC 722   2021-09-18   
925-722 1 SNJUCACL4MD  939H COMMIO, LLC 722   2021-09-18   
925-722 2 SNJUCACL7MD  965H FRACTEL, LLC 722   2021-09-09   
925-722 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-10-02   
925-722 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-10-02   
925-722 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-10-02   
925-722 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-10-02   
925-722 7 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-11-18   
925-722 8 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-11-18   
925-722 9 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-11-18   
925-744 A SNJUCACL7MD  965H FRACTEL, LLC 722      
925-744 0 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2021-07-08   
925-744 1 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2021-07-08   
925-744 2 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-07-24   
925-744 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-07-30   
925-744 4   965H FRACTEL, LLC 722   2021-01-14   
925-744 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-05-09   
925-744 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-05-09   
925-744 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-05-09   
925-744 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2021-05-09   
925-744 9 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2021-03-25   
925-746 A WNCKCA11DS1  9740 PACIFIC BELL 722      
925-765 A   5562 METROPCS, INC. 722      
925-765 0 OKLECAZVGT0  5562 METROPCS, INC. 722      
925-765 1 OKLECAZVGT0  5562 METROPCS, INC. 722      

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

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.