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: 998

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-998 A Lemoore CA LEMRCA12RS0  9740 PACIFIC BELL 728      
559-998 0 Lemoore CA   9740 PACIFIC BELL 728      
559-998 1 Lemoore CA   9740 PACIFIC BELL 728      
559-998 2 Lemoore CA   9740 PACIFIC BELL 728      
559-998 3 Lemoore CA   9740 PACIFIC BELL 728      
559-998 4 Lemoore CA   9740 PACIFIC BELL 728      
559-998 5 Lemoore CA   9740 PACIFIC BELL 728      
559-998 6 Lemoore CA   5562 METROPCS, INC. 728   2015-04-21   
559-998 7 Lemoore CA   5562 METROPCS, INC. 728   2015-04-21   
559-998 8 Lemoore CA   9740 PACIFIC BELL 728      
559-998 9 Lemoore CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728   2013-07-09   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.