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.

NPA: 918 [Rate centres in NPA 918] [Dial plan for NPA 918]

NXX: 340

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
918-340 A Tulsa OK TULSOKDV2MD  6529 T-MOBILE USA, INC. 538   2024-02-09   
918-340 0 Tulsa OK TULSOKDV3MD  5562 METROPCS, INC. 538      
918-340 1 Tulsa OK TULSOKDV2MD  6529 T-MOBILE USA, INC. 538      
918-340 2 Tulsa OK TULSOKTBXHY  409F ONVOY, LLC - OK 538      
918-340 3 Tulsa OK TULSOKDRAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 538      
918-340 4 Tulsa OK TULSOKDRAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 538      
918-340 5 Tulsa OK TULSOKTBXKZ  318J COMCAST IP PHONE, LLC 538      
918-340 6 Tulsa OK TULTOKCL8MD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538      
918-340 7 Tulsa OK TULSOKTBXKZ  318J COMCAST IP PHONE, LLC 538      
918-340 8 Tulsa OK TULSOKDRAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 538      
918-340 9 Tulsa OK TULSOKDRAMD  5813 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK 538      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.