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: 510

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
419-510 A Waterville OH DFNCOHBZDS0  2094 QUALSTAR COMMUNICATIONS, INC. - OH 326      
419-510 6 Waterville OH TOLDOH21XYY  7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 326   2018-11-01   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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