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: 887

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-887 A Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
661-887 0 Palmdale: Palmdale DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-08-23   
661-887 1 Palmdale: Palmdale DA CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-08-09   
661-887 2 Palmdale: Palmdale DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-08-23   
661-887 3 Palmdale: Palmdale DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-08-23   
661-887 4 Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-07   
661-887 5 Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-07   
661-887 6 Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-07   
661-887 7 Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-07   
661-887 8 Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-07   
661-887 9 Palmdale: Palmdale DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-08-23   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.