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: 305

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-305 A Clarklake MI LNNGMIVE2MD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346      
517-305 0 Clarklake MI LNNGMIVE2MD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346      
517-305 1 Clarklake MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      
517-305 2 Clarklake MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      
517-305 3 Clarklake MI LNNGMIMNX8Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 346      
517-305 4 Clarklake MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      
517-305 6 Clarklake MI LNNGMIMNXMZ  516C AT&T CORP. 346      
517-305 7 Clarklake MI LNNGMIMNXQZ  508J CENTURYLINK COMMUNICATIONS, LLC 346      
517-305 8 Clarklake MI LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      

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

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