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: 616 [Rate centres in NPA 616] [Dial plan for NPA 616]

NXX: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
616-400 A Saranac MI BRSPMI095MD  965H FRACTEL, LLC 348      
616-400 0 Saranac MI BRSPMI095MD  965H FRACTEL, LLC 348      
616-400 1 Saranac MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
616-400 2 Saranac MI GDRPMIBL36Z  624H ONVOY SPECTRUM, LLC 348      
616-400 3 Saranac MI   351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348      
616-400 4 Saranac MI BRSPMI095MD  965H FRACTEL, LLC 348      
616-400 5 Saranac MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
616-400 6 Saranac MI GDRPMIBL04Z  543C ONVOY, LLCV - MI 348      
616-400 9 Saranac MI   145J TERRA NOVA TELECOM INC. 348      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.