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: 440

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
850-440 A Tyndall AFB FL PTSJFLXA5MD  919F MCC TELEPHONY OF FLORIDA, LLC - FL 45010      
850-440 0 Tyndall AFB FL   382G TERRA NOVA TELECOM, INC. - FL 45010   2025-05-15   
850-440 1 Tyndall AFB FL PTSJFLXA5MD  919F MCC TELEPHONY OF FLORIDA, LLC - FL 45010   2010-07-11   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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