Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 419 [Rate centres in NPA 419] [Dial plan for NPA 419]

NXX: 850

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
419-850 A Butler OH MNFDOHXAXDX  464C ONVOY, LLC - OH 923      
419-850 0 Butler OH   515J IP HORIZON LLC 923   2024-03-03   
419-850 2 Butler OH MNFDOHXAXDX  464C ONVOY, LLC - OH 923   2023-09-25   

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

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