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
559-256 A Fresno CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-295 A Coalinga CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-296 A Firebaugh CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-302 A Visalia CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-326 A Clovis CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-342 A Pixley CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-382 A Mendota CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-482 A Burrel CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-484 A Tipton CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-543 A Huron CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-631 A Tulare CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-632 A Riverdale CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-633 A Lemoore CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-634 A Kingsburg CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-639 A Hanford CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-640 A Three Rivers CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-644 A Caruthers CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-648 A Dinuba CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-654 A Sequoia CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-718 A Madera CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-769 A Woodlake CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-819 A Selma CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-847 A Parlier CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-927 A Stratford CA 7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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