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: 340

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
248-340 A Pontiac MI PNTCMINERPA  9323 MICHIGAN BELL TEL CO 340      
248-340 0 Pontiac MI   9323 MICHIGAN BELL TEL CO 340      
248-340 1 Pontiac MI   9323 MICHIGAN BELL TEL CO 340      
248-340 2 Pontiac MI   9323 MICHIGAN BELL TEL CO 340      
248-340 3 Pontiac MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-11-04   
248-340 4 Pontiac MI   9323 MICHIGAN BELL TEL CO 340      
248-340 5 Pontiac MI   9323 MICHIGAN BELL TEL CO 340      
248-340 6 Pontiac MI   9323 MICHIGAN BELL TEL CO 340      
248-340 7 Pontiac MI   9323 MICHIGAN BELL TEL CO 340      
248-340 8 Pontiac MI   9323 MICHIGAN BELL TEL CO 340      
248-340 9 Pontiac MI   9323 MICHIGAN BELL TEL CO 340      

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

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