Local Calling Guide

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Tulsa, OK

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
918-430 6 TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2006-02-09   
918-430 7 TULSOKFIRSC  9533 SOUTHWESTERN BELL 538      
918-430 8 TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2005-03-07   
918-430 9 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2010-12-20   
918-437 A TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-437 0   9533 SOUTHWESTERN BELL 538      
918-437 1   9533 SOUTHWESTERN BELL 538      
918-437 2   9533 SOUTHWESTERN BELL 538      
918-437 3   9533 SOUTHWESTERN BELL 538      
918-437 4   9533 SOUTHWESTERN BELL 538      
918-437 5   9533 SOUTHWESTERN BELL 538      
918-437 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2025-11-14   
918-437 7   9533 SOUTHWESTERN BELL 538      
918-437 8   9533 SOUTHWESTERN BELL 538      
918-437 9   9533 SOUTHWESTERN BELL 538      
918-438 A TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-438 0 TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-438 1 TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-438 2 TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-438 3 TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-438 4 TULSOKDV8MD  5562 METROPCS, INC. 538   2016-08-02   
918-438 5 TULSOKTBXXZ  624H ONVOY SPECTRUM, LLC 538   2021-11-12   
918-438 6 TULSOKTBXXZ  624H ONVOY SPECTRUM, LLC 538   2021-11-12   
918-438 7 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2016-10-30   
918-438 8 TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-438 9 TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2015-08-06   
918-439 A TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-439 0 TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-439 1 TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-439 2 TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-439 3 TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-439 4 TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-439 5 TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-439 6 TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2006-02-09   
918-439 7 TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-439 8 TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-439 9 TULSOKGERSC  9533 SOUTHWESTERN BELL 538      
918-442 A TULSOKDV8MD  6529 T-MOBILE USA, INC. 538      
918-442 0 TULSOKTBXXZ  624H ONVOY SPECTRUM, LLC 538   2021-11-12   
918-442 1 TULSOKTBDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 538      
918-442 2 TULSOKTBXKZ  318J COMCAST IP PHONE, LLC 538   2011-06-22   
918-442 3 TULSOKTBXXZ  624H ONVOY SPECTRUM, LLC 538   2021-11-12   
918-442 4 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2011-11-03   
918-442 5 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2011-11-03   
918-442 6   6529 T-MOBILE USA, INC. 538   2011-11-03   
918-442 7 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2011-11-03   
918-442 8 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2011-11-03   
918-442 9 TULSOKTBXXZ  624H ONVOY SPECTRUM, LLC 538   2023-09-16   
918-445 A TULSOKHIRSC  9533 SOUTHWESTERN BELL 538      
918-446 A TULSOKHIRSC  9533 SOUTHWESTERN BELL 538      

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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