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: 605

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
850-605 A Crestview FL FTWBFLXAX5X  7575 CENTURYLINK COMMUNICATIONS LLC 44814      
850-605 0 Crestview FL CRVWFLXA9MD  937C ONVOY, LLC - FL 44814   2020-05-07   
850-605 1 Crestview FL CRVWFLXAX0X  566J RADIANTIQ LLC 44814   2021-02-22   
850-605 2 Crestview FL CRVWFLXA9MD  937C ONVOY, LLC - FL 44814   2020-10-05   
850-605 3 Crestview FL CRVWFLXA9MD  937C ONVOY, LLC - FL 44814   2020-10-05   
850-605 4 Crestview FL CRVWFLXA9MD  937C ONVOY, LLC - FL 44814   2020-05-07   
850-605 5 Crestview FL CRVWFLXA9MD  937C ONVOY, LLC - FL 44814   2018-07-22   
850-605 7 Crestview FL FTWBFLXAX5X  7575 CENTURYLINK COMMUNICATIONS LLC 44814   2014-05-07   
850-605 8 Crestview FL CRVWFLXA9MD  937C ONVOY, LLC - FL 44814   2020-05-07   
850-605 9 Crestview FL CRVWFLXA9MD  937C ONVOY, LLC - FL 44814   2020-12-02   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.