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: 310

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
918-310 A Muskogee OK TULUOKSP1MD  6272 UNITED STATES CELLULAR - OK 538      
918-310 0 Muskogee OK   6272 UNITED STATES CELLULAR - OK 538      
918-310 1 Muskogee OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 538   2015-11-23   
918-310 2 Muskogee OK   409F ONVOY, LLC - OK 538   2016-09-29   
918-310 3 Muskogee OK   6529 T-MOBILE USA, INC. 538   2011-04-01   
918-310 4 Muskogee OK   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2010-12-19   
918-310 5 Muskogee OK   6529 T-MOBILE USA, INC. 538   2011-04-01   
918-310 6 Muskogee OK   6529 T-MOBILE USA, INC. 538   2011-06-06   
918-310 7 Muskogee OK   6529 T-MOBILE USA, INC. 538   2011-06-16   
918-310 8 Muskogee OK   6529 T-MOBILE USA, INC. 538   2011-06-16   
918-310 9 Muskogee OK   6529 T-MOBILE USA, INC. 538   2012-01-13   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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