Local Calling Guide

Area code/prefix search

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Switch: FRSNCA01X8Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-558 A Fresno CA 551G NUSO, LLC 728      
559-558 1 Fresno CA 551G NUSO, LLC 728   2014-08-07   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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