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: 889

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-889 A Bakersfield: Main DA CA MOJVCA02DS2  7421 AT&T - LOCAL 734      
661-889 0 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 1 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 2 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 3 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 4 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 5 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 6 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 7 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 8 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2005-08-20   
661-889 9 Bakersfield: Main DA CA MOJVCA02DS2  7421 AT&T - LOCAL 734      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.