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: 745

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
850-745 A Crawfordville FL TLHSFLXAX0Y  982E BANDWIDTH.COM CLEC, LLC - FL 953      
850-745 0 Crawfordville FL TLHSFLXAXKX  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 953   2006-02-26   
850-745 1 Crawfordville FL TLHSFLXAXQX  937C ONVOY, LLC - FL 953   2020-12-09   
850-745 2 Crawfordville FL TLHSFLXAXKX  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 953   2008-02-14   
850-745 3 Crawfordville FL   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 953   2009-05-15   
850-745 4 Crawfordville FL TLHSFLXAX0Y  982E BANDWIDTH.COM CLEC, LLC - FL 953   2011-04-29   
850-745 5 Crawfordville FL TLHSFLXAX0Y  982E BANDWIDTH.COM CLEC, LLC - FL 953   2010-07-02   
850-745 6 Crawfordville FL TLHSFLXAX3Z  318J COMCAST IP PHONE, LLC 953   2011-09-29   
850-745 7 Crawfordville FL CFVLFLXADS0  0340 CENTURYLINK OF FLORIDA, INC. (CENTRAL) 953   2009-05-31   
850-745 8 Crawfordville FL TLHSFLXAX3Z  318J COMCAST IP PHONE, LLC 953   2006-11-10   
850-745 9 Crawfordville FL TLHSFLXAX0Z  624H ONVOY SPECTRUM, LLC 953   2024-09-06   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.