Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]

NXX: 837

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-837 A Tecumseh MI SFLDMIMKBMD  516J TON80 COMMUNICATIONS, LLC 340      
517-837 2 Tecumseh MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2023-07-02   
517-837 4 Tecumseh MI SFLDMIMKBMD  516J TON80 COMMUNICATIONS, LLC 340   2022-03-16   
517-837 7 Tecumseh MI SFLDMITODS2  543C ONVOY, LLCV - MI 340   2022-12-02   
517-837 8 Tecumseh MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-04-08   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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