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
517-338 A Howell MI SFLDMIWKDS0  4125 XO COMMUNICATIONS SERVICES, INC. - MI 340      
517-338 0 Howell MI   4125 XO COMMUNICATIONS SERVICES, INC. - MI 340      
517-338 1 Howell MI   4125 XO COMMUNICATIONS SERVICES, INC. - MI 340      
517-338 2 Howell MI   7421 AT&T LOCAL 340   2003-11-25   
517-338 3 Howell MI   7279 MCI WORLDCOM COMMUNICATIONS, INC. - MI 340   2005-02-18   
517-338 4 Howell MI   4125 XO COMMUNICATIONS SERVICES, INC. - MI 340      
517-338 5 Howell MI   4125 XO COMMUNICATIONS SERVICES, INC. - MI 340      
517-338 6 Howell MI   4125 XO COMMUNICATIONS SERVICES, INC. - MI 340      
517-338 7 Howell MI   4125 XO COMMUNICATIONS SERVICES, INC. - MI 340   2005-07-17   
517-338 8 Howell MI   3535 ACD TELECOM, INC. - MI 340   2005-07-21   
517-338 9 Howell MI   279B CLEAR RATE COMMUNICATIONS - CLEC - MI 340   2009-09-12   

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

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