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: 657 [Rate centres in NPA 657] [Dial plan for NPA 657]

NXX: 261

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-261 A Santa Ana CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
657-261 0 Santa Ana CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2018-09-07   
657-261 1 Santa Ana CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2014-12-29   
657-261 2 Santa Ana CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2015-02-25   
657-261 3 Santa Ana CA IRVECAJTRS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730   2014-12-29   
657-261 4 Santa Ana CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2014-12-29   
657-261 5 Santa Ana CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-12-30   
657-261 6 Santa Ana CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-12-30   
657-261 7 Santa Ana CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-12-30   
657-261 8 Santa Ana CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-12-30   
657-261 9 Santa Ana CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-12-30   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.