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: SHPTLAMAX7Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
318-437 A Ferriday LA 516C AT&T CORP. 486   2011-12-20   
318-568 A Dry Prong LA 516C AT&T CORP. 486   2011-06-01   
318-625 A Alexandria LA 516C AT&T CORP. 486   2011-12-20   

Last updated: Sat, 29 Jun 2019 02:32:58 UTC

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