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
918-508 2 TULSOKTBXKZ  318J COMCAST IP PHONE, LLC 538   2009-06-26   
918-508 3 TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2013-10-20   
918-508 4 TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2015-01-21   
918-508 5 TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2015-01-21   
918-508 6 TULSOKDRAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 538   2009-09-18   
918-508 7 TULSOKTBXKZ  318J COMCAST IP PHONE, LLC 538   2009-06-26   
918-508 8 TULSOKDRAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 538   2009-12-04   
918-508 9 TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2009-05-03   
918-510 A TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538      
918-513 A TULUOKBRCMD  7632 LEVEL 3 TELECOM OF OKLAHOMA, LLC - OK 538      
918-513 0 TULUOKBRCMD  7632 LEVEL 3 TELECOM OF OKLAHOMA, LLC - OK 538      
918-513 1 TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2006-02-09   
918-513 2 TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2005-03-07   
918-513 3 TULSOKTBXGY  829J PAETEC ITEL, LLC 538   2006-07-10   
918-513 4 TULUOKBRCMD  7632 LEVEL 3 TELECOM OF OKLAHOMA, LLC - OK 538      
918-513 5 TULUOKBRCMD  7632 LEVEL 3 TELECOM OF OKLAHOMA, LLC - OK 538      
918-513 6 TULUOKBRCMD  7632 LEVEL 3 TELECOM OF OKLAHOMA, LLC - OK 538      
918-513 7 TULUOKBRCMD  7632 LEVEL 3 TELECOM OF OKLAHOMA, LLC - OK 538      
918-513 8 TULSOKTBXGY  829J PAETEC ITEL, LLC 538   2006-06-09   
918-513 9 TULUOKBRCMD  7632 LEVEL 3 TELECOM OF OKLAHOMA, LLC - OK 538      
918-519 A TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538      
918-520 A TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538      
918-521 A TULUOKXOGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538      
918-523 A TULSOKWODS0  9533 SOUTHWESTERN BELL 538      
918-523 0 TULSOKDV8MD  5562 METROPCS, INC. 538   2015-08-16   
918-523 1 TULSOKWODS0  9533 SOUTHWESTERN BELL 538      
918-523 2 TULSOKWODS0  9533 SOUTHWESTERN BELL 538      
918-523 3 TULSOKWODS0  9533 SOUTHWESTERN BELL 538      
918-523 4 TULSOKDV8MD  5562 METROPCS, INC. 538   2015-08-16   
918-523 5 TULSOKWODS0  9533 SOUTHWESTERN BELL 538      
918-523 6 TULSOKWODS0  9533 SOUTHWESTERN BELL 538      
918-523 7   145J TERRA NOVA TELECOM INC. 538   2022-11-02   
918-523 8 TULSOKWODS0  9533 SOUTHWESTERN BELL 538      
918-523 9 TULSOKWODS0  9533 SOUTHWESTERN BELL 538      
918-524 A TULSOKWODS0  9533 SOUTHWESTERN BELL 538      
918-524 0 TULSOKWODS0  9533 SOUTHWESTERN BELL 538      
918-524 1 TULSOKWODS0  9533 SOUTHWESTERN BELL 538      
918-524 2   145J TERRA NOVA TELECOM INC. 538   2021-09-28   
918-524 3 TULSOKWODS0  9533 SOUTHWESTERN BELL 538      
918-524 4 TULSOKWODS0  9533 SOUTHWESTERN BELL 538      
918-524 5 TULSOKWODS0  9533 SOUTHWESTERN BELL 538      
918-524 6 TULSOKWODS0  9533 SOUTHWESTERN BELL 538      
918-524 7 TULSOKWODS0  9533 SOUTHWESTERN BELL 538      
918-524 8 TULSOKWODS0  9533 SOUTHWESTERN BELL 538      
918-524 9 TULSOKTBDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 538   2016-01-15   
918-526 A   409F ONVOY, LLC - OK 538      
918-526 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2025-12-01   
918-526 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 538   2025-12-01   
918-526 2   409F ONVOY, LLC - OK 538      
918-526 3   409F ONVOY, LLC - 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: LES.NET

Like this site? We accept donations via PayPal.