Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Oakland: Trinidad DA, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
510-969 8 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2008-08-13   
510-969 9 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-12-13   

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Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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