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: 850 [Rate centres in NPA 850] [Dial plan for NPA 850]

NXX: 299

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
850-299 A Graceville FL PNCYFLMARMD  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 45009      
850-299 0 Graceville FL PNCYFLMAX6Z  937C ONVOY, LLC - FL 45009   2018-12-16   
850-299 1 Graceville FL PNCYFLMAX6Z  937C ONVOY, LLC - FL 45009   2018-12-16   
850-299 2 Graceville FL PNCYFLMARMD  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 45009   2012-12-07   
850-299 3 Graceville FL LYHNFLAWAMD  8664 INTERMEDIA COMMUNICATIONS INC. - FL 45009   2005-04-14   
850-299 4 Graceville FL PNCYFLMARMD  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 45009   2004-08-02   
850-299 5 Graceville FL PNCYFLDAXMD  4616 DELTACOM, INC. - FL 45009   2010-09-18   
850-299 6 Graceville FL PNCYFLMAX6Z  937C ONVOY, LLC - FL 45009   2019-02-25   
850-299 7 Graceville FL PNCYFLMAX6Z  937C ONVOY, LLC - FL 45009   2019-02-25   
850-299 8 Graceville FL PNCYFLMAX6Z  937C ONVOY, LLC - FL 45009   2019-06-06   
850-299 9 Graceville FL PNCYFLMAX6Z  937C ONVOY, LLC - FL 45009   2019-06-06   

Last updated: Sun, 28 Feb 2021 19:06:05 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.