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: 318 [Rate centres in NPA 318] [Dial plan for NPA 318]

NXX: 775

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-775 A Keithville LA SHPTLAMA11Z  318J COMCAST IP PHONE, LLC 486      
318-775 0 Keithville LA   3232 LEVEL 3 COMMUNICATIONS, LLC - LA 486   2004-11-15   
318-775 1 Keithville LA   508J CENTURYLINK COMMUNICATIONS, LLC 486   2014-09-08   
318-775 2 Keithville LA   516C AT&T CORP. 486   2012-12-10   
318-775 3 Keithville LA   3232 LEVEL 3 COMMUNICATIONS, LLC - LA 486   2008-02-12   
318-775 4 Keithville LA   318J COMCAST IP PHONE, LLC 486   2004-07-05   
318-775 5 Keithville LA   318J COMCAST IP PHONE, LLC 486   2006-09-11   
318-775 6 Keithville LA   318J COMCAST IP PHONE, LLC 486   2021-01-02   
318-775 7 Keithville LA   8764 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - LA 486   2011-01-20   
318-775 8 Keithville LA   2896 CENTURYLINK COMMUNICATIONS LLC - LA 486   2010-02-08   
318-775 9 Keithville LA   153F BANDWIDTH.COM CLEC, LLC - LA 486   2008-12-18   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.