Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 918 [Rate centres in NPA 918] [Dial plan for NPA 918]

NXX: 818

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
918-818 A Delaware OK TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538      
918-818 0 Delaware OK   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538      
918-818 1 Delaware OK   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2026-01-30   
918-818 2 Delaware OK   409F ONVOY, LLC - OK 538   2020-07-13   
918-818 3 Delaware OK   409F ONVOY, LLC - OK 538   2020-07-13   
918-818 5 Delaware OK   516C AT&T CORP. 538   2024-10-07   
918-818 7 Delaware OK   409F ONVOY, LLC - OK 538   2021-03-04   
918-818 8 Delaware OK   409F ONVOY, LLC - OK 538   2021-03-04   
918-818 9 Delaware OK   073H TELNYX LLC 538   2019-01-10   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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