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: 440

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-440 A Lansing MI LNNGMIMN10Z  478J NUSO, LLC 346      
517-440 0 Lansing MI   145J TERRA NOVA TELECOM INC. 346   2024-02-14   
517-440 2 Lansing MI LNNGMIMN10Z  478J NUSO, LLC 346   2022-02-03   

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

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