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: 767

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-767 A Milaca MN STCDMNTOXEY  516J TON80 COMMUNICATIONS, LLC 626      
320-767 0 Milaca MN   5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 626   2025-12-07   
320-767 6 Milaca MN STCDMNTOXEY  516J TON80 COMMUNICATIONS, LLC 626   2022-05-16   
320-767 7 Milaca MN STCDMNTOXUX  8405 TELEPORT COMMUNICATIONS AMERICA, LLC - MN 626   2022-06-29   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.