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: 803

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
616-803 A Dutton MI DTTNMIMNDS0  9323 MICHIGAN BELL TEL CO 348      
616-803 0 Dutton MI   318J COMCAST IP PHONE LLC 348   2006-10-08   
616-803 1 Dutton MI GFTPMIEF1MD  351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2007-02-25   
616-803 2 Dutton MI DTTNMIMNDS0  9323 MICHIGAN BELL TEL CO 348   2006-03-17   
616-803 3 Dutton MI DTTNMIMNDS0  9323 MICHIGAN BELL TEL CO 348   2006-03-17   
616-803 4 Dutton MI DTTNMIMNDS0  9323 MICHIGAN BELL TEL CO 348   2006-03-17   
616-803 5 Dutton MI   318J COMCAST IP PHONE LLC 348   2008-04-01   
616-803 6 Dutton MI GDRPMIBLXLZ  528A FIRST COMMUNICATIONS, LLC - MI 348   2008-12-04   
616-803 7 Dutton MI GDRPMIBL06Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 348   2008-03-07   
616-803 8 Dutton MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2020-10-04   
616-803 9 Dutton MI GDRPMIBL00Z  991E BANDWIDTH.COM CLEC, LLC - MI 348   2009-03-07   

Last updated: Fri, 23 Jul 2021 12:43:22 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.