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.

Switch: LFYTLAAT2MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
337-254 A Lafayette LA 7421 AT&T - LOCAL 488      
337-254 3 Lafayette LA 7421 AT&T - LOCAL 488      
337-335 A New Iberia LA 7421 AT&T - LOCAL 488      
337-335 2 New Iberia LA 7421 AT&T - LOCAL 488      
337-656 A Lake Charles LA 7421 AT&T - LOCAL 488      
337-656 9 Lake Charles LA 7421 AT&T - LOCAL 488      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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