Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 850 [Rate centres in NPA 850] [Dial plan for NPA 850]

NXX: 424

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
850-424 A Destin FL PNSCFLWATMD  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 44815      
850-424 0 Destin FL   829J PAETEC ITEL, LLC 44815   2006-02-23   
850-424 1 Destin FL   4802 LEVEL 3 COMMUNICATIONS, LLC - FL 44815   2008-12-09   
850-424 2 Destin FL   829J PAETEC ITEL, LLC 44815   2007-02-24   
850-424 3 Destin FL   318J COMCAST IP PHONE, LLC 44815   2007-01-16   
850-424 4 Destin FL   318J COMCAST IP PHONE, LLC 44815   2015-04-19   
850-424 5 Destin FL   318J COMCAST IP PHONE, LLC 44815   2007-12-19   
850-424 6 Destin FL   318J COMCAST IP PHONE, LLC 44815   2005-05-23   
850-424 7 Destin FL   318J COMCAST IP PHONE, LLC 44815   2011-03-10   
850-424 8 Destin FL   982E BANDWIDTH.COM CLEC, LLC - FL 44815   2009-02-10   
850-424 9 Destin FL   593K MCC TELEPHONY LLC 44815   2010-05-09   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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