Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Parma, MI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
517-459 A LNNGMIVE2MD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346      
517-459 0 LNNGMIVE2MD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346      
517-459 1 LNNGMIMN00Z  624H ONVOY SPECTRUM, LLC 346      
517-459 2 LNNGMIMNX8Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 346      
517-459 3 LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      
517-459 4 LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      
517-459 5 LNNGMIMNXQZ  508J CENTURYLINK COMMUNICATIONS, LLC 346      
517-459 6   961J WOW! INTERNET, CABLE AND PHONE 346      
517-459 7 LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      
517-459 8 LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      
517-459 9 LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      
517-531 A PARMMIXJDS0  0681 FRONTIER MIDSTATES, INC. - MI 346      
517-531 0 LNNGMIMN02Z  318J COMCAST IP PHONE, LLC 346      
517-531 1 PARMMIXJDS0  0681 FRONTIER MIDSTATES, INC. - MI 346      
517-531 2 LNNGMIMNX3Y  2550 123.NET, LLC 346      
517-531 3 PARMMIXJDS0  0681 FRONTIER MIDSTATES, INC. - MI 346      
517-531 4 PARMMIXJDS0  0681 FRONTIER MIDSTATES, INC. - MI 346      
517-531 5 PARMMIXJDS0  0681 FRONTIER MIDSTATES, INC. - MI 346      
517-531 6 LNNGMIMNX5Z  543C ONVOY, LLCV - MI 346      
517-531 7 PARMMIXJDS0  0681 FRONTIER MIDSTATES, INC. - MI 346      
517-531 8 PARMMIXJDS0  0681 FRONTIER MIDSTATES, INC. - MI 346      
517-716 A LNNGMIDCHMD  4632 TELNET WORLDWIDE, INC. 346      
517-963 A MDTPMICODS0  3535 ACD TELECOM, INC. - MI 346      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.