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: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-551 A New Iberia LA LFYTLAMAX3Y  653C TELEPORT COMMUNICATIONS AMERICA LA - LLC 488      
337-551 0 New Iberia LA   749E ONVOY, LLC - LA 488   2024-02-26   
337-551 1 New Iberia LA LFYTLA362MD  5562 METROPCS, INC. 488   2011-10-20   
337-551 2 New Iberia LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2014-10-15   
337-551 3 New Iberia LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2014-10-15   
337-551 4 New Iberia LA LFYTLAMAXEZ  318J COMCAST IP PHONE, LLC 488   2012-10-01   
337-551 5 New Iberia LA LFYTLAMAX1Y  181D HUNT TELECOMMUNICATIONS, LLC - LA 488   2013-10-21   
337-551 6 New Iberia LA LFYTLAMAX3Y  653C TELEPORT COMMUNICATIONS AMERICA LA - LLC 488   2008-07-07   
337-551 7 New Iberia LA LFYTLAMAXUY  508J CENTURYLINK COMMUNICATIONS, LLC 488   2014-09-11   
337-551 8 New Iberia LA ABVLLACT0MD  4930 LOUISIANA COMPETITIVE TELECOMMUNICATIONS, INC. 488   2013-12-23   
337-551 9 New Iberia LA SCTTLA06G02  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 488   2013-12-13   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.