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: 554

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
337-554 A Lafayette LA LFYTLAMAXCZ  515J IP HORIZON LLC 488      
337-554 0 Lafayette LA   150C VOICESTREAM GSM I, LLC 488   2021-07-09   
337-554 1 Lafayette LA   515J IP HORIZON LLC 488   2021-05-23   
337-554 2 Lafayette LA   150C VOICESTREAM GSM I, LLC 488   2021-07-09   
337-554 3 Lafayette LA   150C VOICESTREAM GSM I, LLC 488   2021-07-09   
337-554 4 Lafayette LA   150C VOICESTREAM GSM I, LLC 488   2021-07-09   
337-554 5 Lafayette LA   150C VOICESTREAM GSM I, LLC 488   2021-07-09   
337-554 6 Lafayette LA   150C VOICESTREAM GSM I, LLC 488   2021-07-09   
337-554 7 Lafayette LA   150C VOICESTREAM GSM I, LLC 488   2021-07-09   
337-554 8 Lafayette LA   150C VOICESTREAM GSM I, LLC 488   2021-07-09   
337-554 9 Lafayette LA   150C VOICESTREAM GSM I, LLC 488   2021-07-09   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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