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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
918-999 A TULSOKTBXHY  409F ONVOY, LLC - OK 538      
918-999 0 TULSOKTBXFY  119F BANDWIDTH.COM CLEC, LLC - OK 538   2012-06-04   
918-999 1 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2012-06-16   
918-999 2 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2012-06-16   
918-999 3 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2012-06-16   
918-999 4 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2012-06-16   
918-999 5 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2012-06-16   
918-999 6 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2012-06-16   
918-999 7 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2012-06-16   
918-999 8 TULSOKDV8MD  6529 T-MOBILE USA, INC. 538   2012-06-16   
918-999 9 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2012-06-01   

<< 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

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.