Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Tracy, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
350-900 8 SKTNCA01XFY  649C ONVOY, LLC - CA 738   2024-01-20   
350-900 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2024-01-29   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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