Local Calling Guide

Area code/prefix search

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

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
918-973 6 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2016-03-07   
918-973 7 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2016-03-07   
918-973 8 TLSAOKSMBMD  516C AT&T CORP. 538   2016-08-03   
918-973 9 TULSOKTBDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 538   2016-03-04   

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Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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