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: 681

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-681 A Pontiac MI PNTCMIWSRP0  9323 MICHIGAN BELL TEL CO 340      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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