Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Trinity, OH

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
440-925 6   7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 320      
440-925 7   7443 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 320      
440-925 9   6529 T-MOBILE USA, INC. 320   2024-01-11   
440-962 A NOLMOH7777E  9321 OHIO BELL TEL CO 320      
440-979 A NOLMOH7777E  9321 OHIO BELL TEL CO 320      

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

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