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: 353

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
850-353 A Destin FL PNSCFLWATMD  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 44815      
850-353 1 Destin FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 44815   2018-10-30   
850-353 2 Destin FL   318J COMCAST IP PHONE LLC 44815   2017-10-08   
850-353 3 Destin FL   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 44815   2018-10-30   
850-353 4 Destin FL   4802 LEVEL 3 COMMUNICATIONS, LLC - FL 44815      
850-353 5 Destin FL   937C ONVOY, LLC - FL 44815   2020-10-05   
850-353 7 Destin FL   937C ONVOY, LLC - FL 44815   2019-10-11   
850-353 8 Destin FL   937C ONVOY, LLC - FL 44815   2018-11-30   
850-353 9 Destin FL   937C ONVOY, LLC - FL 44815   2020-12-02   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.