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: 388

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
850-388 A Vernon FL PNCYFLMARMD  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 45009      
850-388 0 Vernon FL   4802 LEVEL 3 COMMUNICATIONS, LLC - FL 45009   2008-01-25   
850-388 1 Vernon FL   508J CENTURYLINK COMMUNICATIONS, LLC 45009   2014-07-30   
850-388 2 Vernon FL   919F MCC TELEPHONY OF FLORIDA, LLC - FL 45009   2010-04-16   
850-388 3 Vernon FL   937C ONVOY, LLC - FL 45009   2019-11-09   
850-388 4 Vernon FL   4802 LEVEL 3 COMMUNICATIONS, LLC - FL 45009      
850-388 5 Vernon FL   829J PAETEC ITEL, LLC 45009   2010-09-18   
850-388 6 Vernon FL   073H TELNYX LLC 45009   2020-05-18   
850-388 7 Vernon FL   516C AT&T CORP. 45009   2013-02-04   
850-388 8 Vernon FL   382G TERRA NOVA TELECOM, INC. - FL 45009   2025-02-14   

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

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