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: 337 [Rate centres in NPA 337] [Dial plan for NPA 337]

NXX: 888

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-888 A Sulphur LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488      
337-888 0 Sulphur LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2012-12-18   
337-888 1 Sulphur LA LKCHLADTXAX  260H CEBRIDGE TELECOM LA, LLC D/B/A SUDDENLINK COMM LA 488   2014-03-03   
337-888 2 Sulphur LA LKCHLADTXAX  260H CEBRIDGE TELECOM LA, LLC D/B/A SUDDENLINK COMM LA 488   2014-03-03   
337-888 3 Sulphur LA LKCHLADTXAX  260H CEBRIDGE TELECOM LA, LLC D/B/A SUDDENLINK COMM LA 488   2014-03-03   
337-888 4 Sulphur LA LKCHLADTSMD  153F BANDWIDTH.COM CLEC, LLC - LA 488   2014-10-06   
337-888 5 Sulphur LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2014-11-18   
337-888 6 Sulphur LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2014-11-18   
337-888 7 Sulphur LA LFYTLAMAXUY  508J CENTURYLINK COMMUNICATIONS, LLC 488   2014-09-12   
337-888 8 Sulphur LA LKCHLADTSMD  153F BANDWIDTH.COM CLEC, LLC - LA 488   2012-08-09   
337-888 9 Sulphur LA LFYTLAMAX9Y  749E ONVOY, LLC - LA 488   2016-01-29   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.