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: 431

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-431 A Tipton MI TPTNMIXGRS0  0695 FRONTIER NORTH, INC. - MI 340      
517-431 0 Tipton MI SFLDMIDC0MD  4632 TELNET WORLDWIDE, INC. 340      
517-431 1 Tipton MI PTBGMIAKDS0  558A DEERFIELD FARMERS' TELEPHONE COMPANY - MI 340      
517-431 2 Tipton MI TPTNMIXGRS0  0695 FRONTIER NORTH, INC. - MI 340      
517-431 3 Tipton MI TPTNMIXGRS0  0695 FRONTIER NORTH, INC. - MI 340      
517-431 4 Tipton MI SFLDMITODS2  543C ONVOY, LLCV - MI 340      
517-431 5 Tipton MI WAYNMIMNXUX  318J COMCAST IP PHONE, LLC 340      
517-431 6 Tipton MI ADRNMIXGVMD  3459 TC3 TELECOM, INC. - MI 340      
517-431 7 Tipton MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
517-431 8 Tipton MI TPTNMIXGRS0  0695 FRONTIER NORTH, INC. - MI 340      
517-431 9 Tipton MI SFLDMIBV3MD  508J CENTURYLINK COMMUNICATIONS, LLC 340      

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

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