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: 233

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-233 A Georgetown LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486      
318-233 0 Georgetown LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486      
318-233 1 Georgetown LA SHPTLAMAXRY  153F BANDWIDTH.COM CLEC, LLC - LA 486   2012-02-06   
318-233 2 Georgetown LA SHPTLAMAXRY  153F BANDWIDTH.COM CLEC, LLC - LA 486   2015-09-10   
318-233 3 Georgetown LA SHPTLAMAXRY  153F BANDWIDTH.COM CLEC, LLC - LA 486   2017-03-03   
318-233 4 Georgetown LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486   2018-10-12   
318-233 5 Georgetown LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486   2020-05-02   
318-233 6 Georgetown LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486   2017-06-04   
318-233 7 Georgetown LA CTPTLAXA1MD  508J CENTURYLINK COMMUNICATIONS, LLC 486   2014-09-05   
318-233 8 Georgetown LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486   2015-12-04   
318-233 9 Georgetown LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486   2014-07-19   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.