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: 638

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
850-638 A Chipley FL CHPLFLJADS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 45009      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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