Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 412 [Rate centres in NPA 412] [Dial plan for NPA 412]

NXX: 771

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
412-771 A Pittsburgh Zone 7 PA MCRKPAMRDS0  9208 VERIZON PENNSYLVANIA, INC. 234      

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

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