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: 320 [Rate centres in NPA 320] [Dial plan for NPA 320]

NXX: 840

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-840 A Albany MN WTPKMNAC0MD  447D CHARTER FIBERLINK, LLC - MN 626      
320-840 0 Albany MN WTPKMNAC0MD  447D CHARTER FIBERLINK, LLC - MN 626      
320-840 7 Albany MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 626      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.