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: LFYTLAMAXHY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
337-219 A Lake Charles LA 6630 USA MOBILITY WIRELESS, INC. 488      
337-271 A Lafayette LA 6630 USA MOBILITY WIRELESS, INC. 488      
337-293 A Lafayette LA 6630 USA MOBILITY WIRELESS, INC. 488      
337-297 A Lafayette LA 6630 USA MOBILITY WIRELESS, INC. 488      
337-299 A Lafayette LA 6630 USA MOBILITY WIRELESS, INC. 488      
337-596 A Lake Charles LA 6630 USA MOBILITY WIRELESS, INC. 488      
337-733 A Lafayette LA 6630 USA MOBILITY WIRELESS, INC. 488      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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