Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 816 [Rate centres in NPA 816] [Dial plan for NPA 816]

NXX: 851

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
816-851 A San Antonio MO KSCYMO09QMD  516C AT&T CORP. 524      
816-851 0 San Antonio MO KSCYMO55XYY  624H ONVOY SPECTRUM, LLC 524   2025-01-12   
816-851 7 San Antonio MO KSCYMO09QMD  516C AT&T CORP. 524   2023-10-09   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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