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: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
918-420 A McAlester OK MCLSOKMADS0  9533 SOUTHWESTERN BELL 538      
918-420 0 McAlester OK   9533 SOUTHWESTERN BELL 538      
918-420 1 McAlester OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 538   2016-03-04   
918-420 2 McAlester OK   409F ONVOY, LLC - OK 538   2024-05-03   
918-420 3 McAlester OK   384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 538   2020-11-19   
918-420 4 McAlester OK   530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 538   2019-06-14   
918-420 5 McAlester OK   9533 SOUTHWESTERN BELL 538      
918-420 6 McAlester OK   9533 SOUTHWESTERN BELL 538      
918-420 7 McAlester OK   9533 SOUTHWESTERN BELL 538      
918-420 8 McAlester OK   9533 SOUTHWESTERN BELL 538      
918-420 9 McAlester OK   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538   2008-09-15   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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