Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 248 [Rate centres in NPA 248] [Dial plan for NPA 248]

NXX: 771

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-771 A Pontiac MI DTRTMIBLX4Y  991E BANDWIDTH.COM CLEC, LLC - MI 340      

Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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