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.
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OCN: 419C ARMSTRONG TELECOMMUNICATIONS, INC. - KY

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
606-255 5 Grayson KY   466   2007-10-29   
606-314 1 Greenup KY   466   2007-10-29   
606-371 1 Ashland KY   466   2007-11-02   
606-388 0 Russell KY   466   2007-11-02   
606-405 0 Catlettsburg KY   466   2007-10-29   
606-498 0 South Shore KY   466   2007-10-29   
606-585 A Meads KY ASLDKYXAYMD  466   2007-09-14   
606-585 0 Meads KY   466   2007-09-14   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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