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: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
850-551 A Tallahassee FL TLHSFLXAXFX  6771 PORTA-PHONE DIV OF JOHN H. PHIPPS DBA AM MESG SVC 953      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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