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: 522

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-522 A Grass Lake MI GRLKMIXGDS0  0695 FRONTIER NORTH, INC. - MI 346      
517-522 0 Grass Lake MI LNNGMIDCHMD  4632 TELNET WORLDWIDE, INC. 346      
517-522 1 Grass Lake MI LNNGMIMNX8Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 346      
517-522 2 Grass Lake MI LNNGMIVE2MD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346      
517-522 3 Grass Lake MI GRLKMIXGDS0  0695 FRONTIER NORTH, INC. - MI 346      
517-522 4 Grass Lake MI GRLKMIXGDS0  0695 FRONTIER NORTH, INC. - MI 346      
517-522 5 Grass Lake MI GRLKMIXGDS0  0695 FRONTIER NORTH, INC. - MI 346      
517-522 6 Grass Lake MI GRLKMIXGDS0  0695 FRONTIER NORTH, INC. - MI 346      
517-522 7 Grass Lake MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      
517-522 8 Grass Lake MI GRLKMIXGDS0  0695 FRONTIER NORTH, INC. - MI 346      
517-522 9 Grass Lake MI LNNGMIMNX3Y  2550 123.NET, LLC 346      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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