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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
337-818 8 New Iberia LA 150C VOICESTREAM GSM I, LLC 488   2024-08-16   
337-818 9 New Iberia LA 150C VOICESTREAM GSM I, LLC 488   2024-08-16   
337-841 8 Lawtell LA 150C VOICESTREAM GSM I, LLC 488   2024-08-15   
337-909 4 Breaux Bridge LA 150C VOICESTREAM GSM I, LLC 488   2014-11-17   
337-909 5 Breaux Bridge LA 150C VOICESTREAM GSM I, LLC 488   2014-11-17   
337-909 7 Breaux Bridge LA 150C VOICESTREAM GSM I, LLC 488   2015-08-21   
337-909 8 Breaux Bridge LA 150C VOICESTREAM GSM I, LLC 488   2015-08-21   
337-983 6 Lafayette LA 5562 METROPCS, INC. 488   2016-03-05   

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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