Local Calling Guide

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NPA: 628 [Rate centres in NPA 628] [Dial plan for NPA 628]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
628-999 9 San Francisco: Central DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2015-03-21   

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

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