Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
539-837 A TULSOKTBXHZ  516J TON80 COMMUNICATIONS, LLC 538      
539-837 4 TULSOKTBXHZ  516J TON80 COMMUNICATIONS, LLC 538   2022-03-16   
918-375 A TRYNOKXADS0  1977 CENTRAL OKLAHOMA TELEPHONE CO., L.L.C. 538      
918-375 0 TRYNOKXADS0  1977 CENTRAL OKLAHOMA TELEPHONE CO., L.L.C. 538      
918-375 2 TRYNOKXADS0  1977 CENTRAL OKLAHOMA TELEPHONE CO., L.L.C. 538      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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