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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-618 A Howell MI SFLDMIDNRS2  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
517-618 0 Howell MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
517-618 1 Howell MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-08-13   
517-618 2 Howell MI   260E YMAX COMMUNICATIONS CORP. - MI 340   2007-07-28   
517-618 3 Howell MI   260E YMAX COMMUNICATIONS CORP. - MI 340   2008-03-16   
517-618 4 Howell MI   260E YMAX COMMUNICATIONS CORP. - MI 340   2008-05-22   
517-618 5 Howell MI   260E YMAX COMMUNICATIONS CORP. - MI 340   2008-05-22   
517-618 6 Howell MI   260E YMAX COMMUNICATIONS CORP. - MI 340   2008-11-17   
517-618 7 Howell MI   516C AT&T CORP. 340   2006-06-30   
517-618 8 Howell MI   1200 TALK AMERICA INC. - MI 340   2007-12-11   
517-618 9 Howell MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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