Local Calling Guide

Area code/prefix search

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Tulsa, OK

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
918-632 A TULSOKNADS0  9533 SOUTHWESTERN BELL 538      
918-633 A TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538      
918-634 A TULSOKNADS0  9533 SOUTHWESTERN BELL 538      
918-634 0   321J HD CARRIER LLC 538   2026-04-09   
918-634 1   9533 SOUTHWESTERN BELL 538      
918-634 2   9533 SOUTHWESTERN BELL 538      
918-634 3   9533 SOUTHWESTERN BELL 538      
918-634 4   9533 SOUTHWESTERN BELL 538      
918-634 5   9533 SOUTHWESTERN BELL 538      
918-634 6   9533 SOUTHWESTERN BELL 538      
918-634 7   9533 SOUTHWESTERN BELL 538      
918-634 8   9533 SOUTHWESTERN BELL 538      
918-634 9   9533 SOUTHWESTERN BELL 538      
918-636 A TULUOKSP1MD  6272 UNITED STATES CELLULAR - OK 538      
918-636 0   6272 UNITED STATES CELLULAR - OK 538      
918-636 1   6272 UNITED STATES CELLULAR - OK 538      
918-636 2   6272 UNITED STATES CELLULAR - OK 538      
918-636 3   6272 UNITED STATES CELLULAR - OK 538      
918-636 4   6272 UNITED STATES CELLULAR - OK 538      
918-636 5   6272 UNITED STATES CELLULAR - OK 538      
918-636 6   6272 UNITED STATES CELLULAR - OK 538      
918-636 7   6272 UNITED STATES CELLULAR - OK 538      
918-636 8   6272 UNITED STATES CELLULAR - OK 538      
918-636 9   6272 UNITED STATES CELLULAR - OK 538      
918-637 A TULUOKSP1MD  6272 UNITED STATES CELLULAR - OK 538      
918-637 0   6272 UNITED STATES CELLULAR - OK 538      
918-637 1   6272 UNITED STATES CELLULAR - OK 538      
918-637 2   6272 UNITED STATES CELLULAR - OK 538      
918-637 3   6272 UNITED STATES CELLULAR - OK 538      
918-637 4   6272 UNITED STATES CELLULAR - OK 538      
918-637 5   6272 UNITED STATES CELLULAR - OK 538      
918-637 6   6272 UNITED STATES CELLULAR - OK 538      
918-637 7   6272 UNITED STATES CELLULAR - OK 538      
918-637 8   6272 UNITED STATES CELLULAR - OK 538      
918-637 9   6272 UNITED STATES CELLULAR - OK 538      
918-638 A TULUOKSP1MD  6272 UNITED STATES CELLULAR - OK 538      
918-638 0   6272 UNITED STATES CELLULAR - OK 538      
918-638 1   6272 UNITED STATES CELLULAR - OK 538      
918-638 2   6272 UNITED STATES CELLULAR - OK 538      
918-638 3   6272 UNITED STATES CELLULAR - OK 538      
918-638 4   6272 UNITED STATES CELLULAR - OK 538      
918-638 5   6272 UNITED STATES CELLULAR - OK 538      
918-638 6   6272 UNITED STATES CELLULAR - OK 538      
918-638 7   6272 UNITED STATES CELLULAR - OK 538      
918-638 8   6272 UNITED STATES CELLULAR - OK 538      
918-638 9   6272 UNITED STATES CELLULAR - OK 538      
918-639 A TULUOKSP1MD  6272 UNITED STATES CELLULAR - OK 538      
918-639 0   6272 UNITED STATES CELLULAR - OK 538      
918-639 1   6272 UNITED STATES CELLULAR - OK 538      
918-639 2   6272 UNITED STATES CELLULAR - OK 538      

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

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