Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 337 [Rate centres in NPA 337] [Dial plan for NPA 337]

NXX: 313

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-313 A Sulphur LA LFYTLAMAX5X  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488      
337-313 0 Sulphur LA LFYTLAMAX5X  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488   2007-03-19   
337-313 1 Sulphur LA LKCHLAWUDS0  8994 LEVEL 3 TELECOM OF LOUISIANA, LLC - LA 488   2006-04-30   
337-313 2 Sulphur LA LKCHLADTSMD  153F BANDWIDTH.COM CLEC, LLC - LA 488   2015-06-20   
337-313 3 Sulphur LA LKCHLADTXAX  260H CEBRIDGE TELECOM LA, LLC D/B/A SUDDENLINK COMM LA 488   2010-03-27   
337-313 4 Sulphur LA LFYTLAMAX5X  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488      
337-313 5 Sulphur LA LFYTLAMAX3Y  653C TELEPORT COMMUNICATIONS AMERICA LA - LLC 488   2009-04-06   
337-313 6 Sulphur LA LFYTLAMADS1  3807 NETWORK TELEPHONE CORPORATION - LA 488   2004-02-01   
337-313 7 Sulphur LA LFYTLAMADS1  3807 NETWORK TELEPHONE CORPORATION - LA 488   2004-02-01   
337-313 8 Sulphur LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2010-03-28   
337-313 9 Sulphur LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2010-01-07   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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