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: 726

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-726 A Sauk Centre MN   6701 AERIAL COMMUNICATIONS, INC. 626      
320-726 0 Sauk Centre MN STCDMNTOX7Y  5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 626   2023-04-17   
320-726 2 Sauk Centre MN STCDMNTOX8X  6701 AERIAL COMMUNICATIONS, INC. 626   2022-10-04   
320-726 6 Sauk Centre MN STCDMNTOXNX  624H ONVOY SPECTRUM, LLC 626   2024-12-19   
320-726 8 Sauk Centre MN   5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 626   2025-11-26   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.