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: 503

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
918-503 A Muldrow OK TULSOKTBXKZ  318J COMCAST IP PHONE, LLC 538      
918-503 0 Muldrow OK   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538   2022-03-28   
918-503 1 Muldrow OK   409F ONVOY, LLC - OK 538   2022-10-06   
918-503 2 Muldrow OK   409F ONVOY, LLC - OK 538   2022-10-06   
918-503 3 Muldrow OK   409F ONVOY, LLC - OK 538   2021-11-21   
918-503 4 Muldrow OK   318J COMCAST IP PHONE, LLC 538   2017-10-15   
918-503 5 Muldrow OK   516C AT&T CORP. 538   2012-12-06   
918-503 6 Muldrow OK   318J COMCAST IP PHONE, LLC 538   2006-11-06   
918-503 7 Muldrow OK   508J CENTURYLINK COMMUNICATIONS, LLC 538   2017-04-08   
918-503 8 Muldrow OK   490J DISH WIRELESS, LLC 538   2022-10-07   
918-503 9 Muldrow OK   073H TELNYX LLC 538   2019-01-21   

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

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