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.

NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]

NXX: 345

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-345 A Dimondale MI LNNGMIXIDS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 346      
517-345 0 Dimondale MI LNNGMIXIDS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 346      
517-345 1 Dimondale MI LNNGMIXIDS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 346      
517-345 2 Dimondale MI LNNGMIXIDS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 346      
517-345 3 Dimondale MI LNNGMIXIDS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 346      
517-345 4 Dimondale MI LNNGMIXIDS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 346      
517-345 5 Dimondale MI LNNGMIXIDS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 346      
517-345 6 Dimondale MI   829J PAETEC ITEL, LLC 346      
517-345 7 Dimondale MI LNNGMIVE2MD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 346      
517-345 9 Dimondale MI LNNGMIXIDS0  7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 346      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.