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.

Miami, MB

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
204-432 A WNPGMB02PS3  498E PROVINCIAL TEL INC. - MB 888 808809    
204-435 A MIAMMB01RS1  8088 MANITOBA TELEPHONE SYSTEM 888 808809    
431-505 A WNPGMB02X3X  081E DISTRIBUTEL COMMUNICATIONS LIMITED 888 808809    
431-783 A WNPJMB061MD  464D FIBERNETICS CORPORATION 888 808809    

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.