Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Tulsa, OK

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
918-639 3   6272 UNITED STATES CELLULAR - OK 538      
918-639 4   6272 UNITED STATES CELLULAR - OK 538      
918-639 5   6272 UNITED STATES CELLULAR - OK 538      
918-639 6   6272 UNITED STATES CELLULAR - OK 538      
918-639 7   6272 UNITED STATES CELLULAR - OK 538      
918-639 8   6272 UNITED STATES CELLULAR - OK 538      
918-639 9   6272 UNITED STATES CELLULAR - OK 538      
918-640 A TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538      
918-641 A TULSOKNADS0  9533 SOUTHWESTERN BELL 538      
918-641 0 TULSOKNADS0  9533 SOUTHWESTERN BELL 538      
918-641 1 TULSOKNADS0  9533 SOUTHWESTERN BELL 538      
918-641 2 TULSOKNADS0  9533 SOUTHWESTERN BELL 538      
918-641 3 TULSOKNADS0  9533 SOUTHWESTERN BELL 538      
918-641 4 TULSOKTBXFY  119F BANDWIDTH.COM CLEC, LLC - OK 538   2011-03-14   
918-641 5 TULSOKNADS0  9533 SOUTHWESTERN BELL 538      
918-641 6 TULSOKNADS0  9533 SOUTHWESTERN BELL 538      
918-641 7 TULSOKNADS0  9533 SOUTHWESTERN BELL 538      
918-641 8 TULSOKNADS0  9533 SOUTHWESTERN BELL 538      
918-641 9 TULSOKNADS0  9533 SOUTHWESTERN BELL 538      
918-643 A TULSOKTBXKY  6630 SPOK, INC. 538      
918-644 A TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538      
918-644 0 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2011-08-25   
918-644 1 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2011-08-25   
918-644 2 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2011-08-25   
918-644 3 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2011-08-25   
918-644 4 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2011-08-25   
918-644 5 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2011-08-25   
918-644 6 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2011-08-25   
918-644 7 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2011-08-25   
918-644 8 TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2011-03-11   
918-644 9 TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2011-03-11   
918-645 A TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538      
918-646 A TULSOKTBXKY  6630 SPOK, INC. 538      
918-660 A TULSOKNADS0  9533 SOUTHWESTERN BELL 538      
918-663 A TULSOKNADS0  9533 SOUTHWESTERN BELL 538      
918-664 A TULSOKNADS0  9533 SOUTHWESTERN BELL 538      
918-665 A TULSOKNADS0  9533 SOUTHWESTERN BELL 538      
918-669 A TULSOKNADS0  9533 SOUTHWESTERN BELL 538      
918-670 A TULSOKNADS0  9533 SOUTHWESTERN BELL 538      
918-671 A TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538      
918-672 A TULSOKTBXKY  6630 SPOK, INC. 538      
918-688 A TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538      
918-690 A TULSOKNADS0  9533 SOUTHWESTERN BELL 538      
918-691 A TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538      
918-692 A TULSOKNADS0  9533 SOUTHWESTERN BELL 538      
918-693 A TULUOKSP1MD  6272 UNITED STATES CELLULAR - OK 538      
918-693 0   6272 UNITED STATES CELLULAR - OK 538      
918-693 1   6272 UNITED STATES CELLULAR - OK 538      
918-693 2   6272 UNITED STATES CELLULAR - OK 538      
918-693 3   6272 UNITED STATES CELLULAR - OK 538      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.