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: 507

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
318-507 A Shreveport LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486      
318-507 0 Shreveport LA SHPTLALY0MD  6916 ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC DBA T-MOBILE USA 486   2013-08-15   
318-507 1 Shreveport LA SHPTLALY0MD  6916 ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC DBA T-MOBILE USA 486   2013-08-15   
318-507 2 Shreveport LA SHPTLALY0MD  6916 ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC DBA T-MOBILE USA 486   2013-08-15   
318-507 3 Shreveport LA SHPTLAMAXQY  653C TELEPORT COMMUNICATIONS AMERICA LA - LLC 486   2012-11-05   
318-507 4 Shreveport LA SHPTLALY0MD  6916 ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC DBA T-MOBILE USA 486   2013-07-01   
318-507 5 Shreveport LA SHPTLALY0MD  6916 ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC DBA T-MOBILE USA 486   2013-07-01   
318-507 6 Shreveport LA SHPTLALY0MD  6916 ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC DBA T-MOBILE USA 486   2013-07-01   
318-507 7 Shreveport LA SHPTLALY0MD  6916 ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC DBA T-MOBILE USA 486   2013-07-01   
318-507 8 Shreveport LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486   2011-12-19   
318-507 9 Shreveport LA SHPULA34G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 486   2011-12-19   

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.