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: 602

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
918-602 A Collinsville OK TULTOKCL8MD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538      
918-602 0 Collinsville OK TULSOKTBDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 538   2020-11-19   
918-602 1 Collinsville OK TULSOKTBXHY  409F ONVOY, LLC - OK 538   2020-12-24   
918-602 2 Collinsville OK TULTOKCL8MD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538   2013-12-13   
918-602 3 Collinsville OK TULSOKTBXHY  409F ONVOY, LLC - OK 538   2020-12-24   
918-602 4 Collinsville OK TULTOKCL8MD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538   2004-08-02   
918-602 5 Collinsville OK TULSOKTBXKZ  318J COMCAST IP PHONE, LLC 538   2017-10-15   
918-602 6 Collinsville OK TULSOKTBX8Y  530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 538   2015-09-14   
918-602 7 Collinsville OK TULSOKTBX6Z  508J CENTURYLINK COMMUNICATIONS, LLC 538   2017-02-16   
918-602 8 Collinsville OK TULSOKTBXHY  409F ONVOY, LLC - OK 538   2018-12-03   
918-602 9 Collinsville OK TULSOKTBXHY  409F ONVOY, LLC - OK 538   2018-12-03   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.