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: 559 [Rate centres in NPA 559] [Dial plan for NPA 559]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-374 A Fresno CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728      
559-374 0 Fresno CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728   2013-07-01   
559-374 1 Fresno CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728   2013-03-09   
559-374 2 Fresno CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728   2013-11-05   
559-374 3 Fresno CA   7453 U.S. TELEPACIFIC CORP. - CA 728   2013-11-14   
559-374 4 Fresno CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2013-12-20   
559-374 5 Fresno CA   516C AT&T CORP. 728   2013-11-05   
559-374 6 Fresno CA   516C AT&T CORP. 728   2014-06-14   
559-374 7 Fresno CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2014-07-01   
559-374 8 Fresno CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2014-06-14   
559-374 9 Fresno CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2014-06-14   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.