Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
517-440 A Lansing MI 478J NUSO, LLC 346      
517-440 1 Lansing MI 478J NUSO, LLC 346   2024-09-09   
517-440 2 Lansing MI 478J NUSO, LLC 346   2022-02-03   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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