Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 810 [Rate centres in NPA 810] [Dial plan for NPA 810]

NXX: 403

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
810-403 A Flint MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2026-05-08   
810-403 7 Flint MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2026-05-08   
810-403 8 Flint MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2026-05-08   
810-403 9 Flint MI   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2026-05-08   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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