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: 808

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
850-808 A St Marks FL TLHSFLXAX6Z  506J TWILIO INTERNATIONAL, INC. 953      
850-808 0 St Marks FL   937C ONVOY, LLC - FL 953   2020-10-10   
850-808 1 St Marks FL   624H ONVOY SPECTRUM, LLC 953   2021-10-06   
850-808 2 St Marks FL   382G TERRA NOVA TELECOM, INC. - FL 953   2025-02-14   
850-808 3 St Marks FL   937C ONVOY, LLC - FL 953   2021-07-04   
850-808 4 St Marks FL   937C ONVOY, LLC - FL 953   2021-07-04   
850-808 5 St Marks FL   506J TWILIO INTERNATIONAL, INC. 953   2021-04-08   
850-808 6 St Marks FL   8300 TELEPORT COMMUNICATIONS AMERICA, LLC - FL 953   2014-03-28   
850-808 7 St Marks FL   937C ONVOY, LLC - FL 953   2016-04-11   
850-808 8 St Marks FL   937C ONVOY, LLC - FL 953   2016-04-11   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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