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: 504

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-504 A Lafayette LA LFYTLAMAXEZ  318J COMCAST IP PHONE, LLC 488      
337-504 0 Lafayette LA LFYTLAMAXVY  150C VOICESTREAM GSM I, LLC 488   2021-07-09   
337-504 1 Lafayette LA LFYTLAMAXVY  150C VOICESTREAM GSM I, LLC 488   2006-01-10   
337-504 2 Lafayette LA LFYTLAMAXEZ  318J COMCAST IP PHONE, LLC 488   2005-09-19   
337-504 3 Lafayette LA LFYTLAMAXEZ  318J COMCAST IP PHONE, LLC 488   2005-09-19   
337-504 4 Lafayette LA LFYTLAMAXEZ  318J COMCAST IP PHONE, LLC 488   2005-03-15   
337-504 5 Lafayette LA LFYTLAMAXEZ  318J COMCAST IP PHONE, LLC 488   2005-03-15   
337-504 7 Lafayette LA LFYTLAMAX5X  3232 LEVEL 3 COMMUNICATIONS, LLC - LA 488   2012-10-06   
337-504 8 Lafayette LA LFYTLAMAXVY  150C VOICESTREAM GSM I, LLC 488   2009-11-04   
337-504 9 Lafayette LA LFYTLAMAXVY  150C VOICESTREAM GSM I, LLC 488   2009-01-16   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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