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: 438

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
918-438 A Tulsa OK TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-438 0 Tulsa OK TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-438 1 Tulsa OK TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-438 2 Tulsa OK TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-438 3 Tulsa OK TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-438 4 Tulsa OK TULSOKDV8MD  5562 METROPCS, INC. 538   2016-08-02   
918-438 5 Tulsa OK TULSOKTBXXZ  624H ONVOY SPECTRUM, LLC 538   2021-11-12   
918-438 6 Tulsa OK TULSOKTBXXZ  624H ONVOY SPECTRUM, LLC 538   2021-11-12   
918-438 7 Tulsa OK TULSOKTBXHY  409F ONVOY, LLC - OK 538   2016-10-30   
918-438 8 Tulsa OK TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-438 9 Tulsa OK TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2015-08-06   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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