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.

Switch: FRSNCA01XYX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-402 A Burrel CA 4129 O1 COMMUNICATIONS, INC. - CA 728      
559-407 A Firebaugh CA 4129 O1 COMMUNICATIONS, INC. - CA 728      
559-415 A Hanford CA 4129 O1 COMMUNICATIONS, INC. - CA 728      
559-418 A Huron CA 4129 O1 COMMUNICATIONS, INC. - CA 728      
559-419 A Kingsburg CA 4129 O1 COMMUNICATIONS, INC. - CA 728      
559-423 A Lemoore CA 4129 O1 COMMUNICATIONS, INC. - CA 728      
559-428 A Riverdale CA 4129 O1 COMMUNICATIONS, INC. - CA 728      
559-461 A Sequoia CA 4129 O1 COMMUNICATIONS, INC. - CA 728      
559-463 A Stratford CA 4129 O1 COMMUNICATIONS, INC. - CA 728      
559-465 A Three Rivers CA 4129 O1 COMMUNICATIONS, INC. - CA 728      
559-466 A Tipton CA 4129 O1 COMMUNICATIONS, INC. - CA 728      
559-473 A Fresno CA 4129 O1 COMMUNICATIONS, INC. - CA 728      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.