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.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-944 6 Fresno CA 6529 T-MOBILE USA, INC. 728   2021-10-08   
559-975 0 Madera CA 6529 T-MOBILE USA, INC. 728   2009-06-12   
559-990 1 Sanger CA 5562 METROPCS, INC. 728   2022-04-09   
559-990 9 Sanger CA 5562 METROPCS, INC. 728   2021-11-06   
559-991 3 Tulare CA 5562 METROPCS, INC. 728   2013-11-22   
559-994 A Fresno CA 5562 METROPCS, INC. 728      
559-994 0 Fresno CA 5562 METROPCS, INC. 728      
559-994 1 Fresno CA 5562 METROPCS, INC. 728      
559-994 2 Fresno CA 5562 METROPCS, INC. 728      
559-994 3 Fresno CA 5562 METROPCS, INC. 728      
559-994 4 Fresno CA 5562 METROPCS, INC. 728   2005-07-29   
559-994 5 Fresno CA 5562 METROPCS, INC. 728      
559-994 6 Fresno CA 5562 METROPCS, INC. 728      
559-994 7 Fresno CA 5562 METROPCS, INC. 728      
559-994 8 Fresno CA 5562 METROPCS, INC. 728      
559-994 9 Fresno CA 5562 METROPCS, INC. 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   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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