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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
850-846 A Madison FL TLHSFLXAXKX  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 953      
850-846 1 Madison FL   937C ONVOY, LLC - FL 953   2019-02-25   
850-846 2 Madison FL   6502 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 953   2019-04-04   
850-846 6 Madison FL   4802 LEVEL 3 COMMUNICATIONS, LLC - FL 953      
850-846 7 Madison FL   937C ONVOY, LLC - FL 953   2016-03-18   
850-846 8 Madison FL   937C ONVOY, LLC - FL 953   2016-03-18   

Last updated: Sat, 29 Jun 2019 02:32:58 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.