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.

Switch: MRQTMIACDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
906-205 6 Marquette MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 342   2026-07-23   
906-631 A Marquette MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 342      
906-631 0 Marquette MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 342   2025-09-13   
906-631 6 Marquette MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 342   2026-04-24   
906-631 9 Marquette MI 933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 342   2026-01-30   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.