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: 889

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-889 A Morris MN STCDMNTOXEY  516J TON80 COMMUNICATIONS, LLC 626      
320-889 0 Morris MN STCDMNTOX8X  6701 AERIAL COMMUNICATIONS, INC. 626   2022-08-05   
320-889 1 Morris MN STCDMNTOX8X  6701 AERIAL COMMUNICATIONS, INC. 626   2022-08-05   
320-889 2 Morris MN STCDMNTOX8X  6701 AERIAL COMMUNICATIONS, INC. 626   2022-08-05   
320-889 7 Morris MN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626   2026-02-23   
320-889 8 Morris MN   5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 626   2026-01-08   
320-889 9 Morris MN STCDMNTOXEY  516J TON80 COMMUNICATIONS, LLC 626   2022-05-02   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.