Local Calling Guide

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Pittsburgh Suburban Zone 11, PA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
412-943 7 PITEPADT7MD  4007 LEVEL 3 COMMUNICATIONS, LLC - PA 234   2004-12-20   
412-943 9 PITBPAOKAMD  967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA 234   2020-03-04   

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Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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