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.

NPA: 606 [Rate centres in NPA 606] [Dial plan for NPA 606]

NXX: 499

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
606-499 A Middlesboro KY WNCHKYMAX9Y  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 466      
606-499 0 Middlesboro KY WNCHKYMAX9Y  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 466   2004-12-10   
606-499 1 Middlesboro KY WNCHKYMAX9Y  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 466   2004-12-19   
606-499 2 Middlesboro KY WNCHKYMAX9Y  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 466   2004-12-19   
606-499 3 Middlesboro KY WNCHKYMAX9Y  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 466   2004-12-19   
606-499 4 Middlesboro KY WNCHKYMAX9Y  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 466   2005-03-13   
606-499 5 Middlesboro KY WNCHKYMAX9Y  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 466   2005-04-24   
606-499 6 Middlesboro KY WNCHKYMAX9Y  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 466   2006-03-26   
606-499 7 Middlesboro KY WNCHKYMAX9Y  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 466   2006-08-19   
606-499 8 Middlesboro KY WNCHKYMAXPY  5562 METROPCS, INC. 466   2006-03-03   
606-499 9 Middlesboro KY DAVLKYMAXAX  365C POWERTEL KENTUCKY LICENSES, INC. 466   2006-04-18   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.