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: 661 [Rate centres in NPA 661] [Dial plan for NPA 661]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-381 A Bakersfield: South DA CA BKFDCA12X7X  7453 U.S. TELEPACIFIC CORP. - CA 734   2009-07-23   
661-381 0 Bakersfield: South DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2010-04-15   
661-381 1 Bakersfield: South DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 734   2010-03-04   
661-381 2 Bakersfield: South DA CA   7453 U.S. TELEPACIFIC CORP. - CA 734   2009-07-23   
661-381 3 Bakersfield: South DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2012-06-29   
661-381 4 Bakersfield: South DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 734   2010-07-02   
661-381 5 Bakersfield: South DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 734   2010-07-02   
661-381 6 Bakersfield: South DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 734   2010-07-02   
661-381 7 Bakersfield: South DA CA   337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734   2010-09-03   
661-381 8 Bakersfield: South DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2010-04-15   
661-381 9 Bakersfield: South DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 734   2011-06-13   

Last updated: Sun, 29 Sep 2019 14:17:11 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.