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: 906 [Rate centres in NPA 906] [Dial plan for NPA 906]

NXX: 586

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
906-586 A Curtis MI CRTSMIMNRS1  9323 MICHIGAN BELL TEL CO 342      
906-586 0 Curtis MI IRMTMIMNPMD  2550 123.NET, INC. 342   2004-10-29   
906-586 1 Curtis MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2019-01-25   
906-586 2 Curtis MI BRLDMIMNBMD  516C AT&T CORP. 342   2012-03-16   
906-586 3 Curtis MI CRTSMIMNRS1  9323 MICHIGAN BELL TEL CO 342      
906-586 4 Curtis MI MRQTMIMNCMD  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 342   2005-03-19   
906-586 5 Curtis MI MNSGMIXJDS2  116F PENINSULA FIBER NETWORK, LLC - MI 342   2013-09-28   
906-586 6 Curtis MI CRTSMIMNRS1  9323 MICHIGAN BELL TEL CO 342      
906-586 7 Curtis MI MRQTMIMNPMD  508J CENTURYLINK COMMUNICATIONS, LLC 342   2018-03-09   
906-586 9 Curtis MI CRTSMIMNRS1  9323 MICHIGAN BELL TEL CO 342      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.