Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Mannford, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
539-724 A TULSOKTBXFZ  965H FRACTEL, LLC 538      
539-724 6 TULSOKTBXFZ  965H FRACTEL, LLC 538   2020-11-07   
918-865 A MNFROKXADS0  1982 CIMARRON TEL. CO. 538      

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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