Local Calling Guide

Area code/prefix search

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Antioch, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
925-978 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2023-02-18   
925-978 9 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2007-04-19   

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Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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