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: 849

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-849 A Ortonville MN CHOKMNXCDS2  2629 FEDERATED TELEPHONE COOPERATIVE - MN 626      
320-849 0 Ortonville MN   184D ONVOY, LLC - MN 626   2019-02-25   
320-849 1 Ortonville MN   2629 FEDERATED TELEPHONE COOPERATIVE - MN 626   2015-06-14   
320-849 3 Ortonville MN   7783 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MN 626   2016-09-27   
320-849 7 Ortonville MN   508J CENTURYLINK COMMUNICATIONS, LLC 626   2017-06-22   
320-849 8 Ortonville MN   184D ONVOY, LLC - MN 626   2019-02-25   
320-849 9 Ortonville MN   5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 626   2026-01-01   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.