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: 618

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-618 A Howell MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
517-618 0 Howell MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
517-618 1 Howell MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2010-08-13   
517-618 2 Howell MI SFLDMIWKDS3  260E YMAX COMMUNICATIONS CORP. - MI 340   2007-07-28   
517-618 3 Howell MI SFLDMIWKDS3  260E YMAX COMMUNICATIONS CORP. - MI 340   2008-03-16   
517-618 4 Howell MI SFLDMIWKDS3  260E YMAX COMMUNICATIONS CORP. - MI 340   2008-05-22   
517-618 5 Howell MI SFLDMIWKDS3  260E YMAX COMMUNICATIONS CORP. - MI 340   2008-05-22   
517-618 6 Howell MI SFLDMIWKDS3  260E YMAX COMMUNICATIONS CORP. - MI 340   2008-11-17   
517-618 7 Howell MI DTRTMIBASMD  516C AT&T CORP. 340   2006-06-30   
517-618 8 Howell MI DTRTMIBHMMD  1200 TALK AMERICA INC. - MI 340   2007-12-11   
517-618 9 Howell MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      

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

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