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: 490

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-490 A Delcambre LA LFYTLAMAXEZ  318J COMCAST IP PHONE, LLC 488      
337-490 0 Delcambre LA   4930 LOUISIANA COMPETITIVE TELECOMMUNICATIONS, INC. 488   2016-07-22   
337-490 3 Delcambre LA   490J DISH WIRELESS, LLC 488   2023-11-23   
337-490 6 Delcambre LA   318J COMCAST IP PHONE, LLC 488      
337-490 7 Delcambre LA   318J COMCAST IP PHONE, LLC 488   2018-04-11   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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