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: 535

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-535 A Litchfield MN STCDMNTOX3X  184D ONVOY, LLC - MN 626      
320-535 0 Litchfield MN STCDMNTOXQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626      
320-535 1 Litchfield MN STCDMNTOX8X  6701 AERIAL COMMUNICATIONS, INC. 626      
320-535 2 Litchfield MN STCDMNTOX8X  6701 AERIAL COMMUNICATIONS, INC. 626      
320-535 3 Litchfield MN STCDMNTONMD  7783 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MN 626      
320-535 4 Litchfield MN STCDMNTOX8X  6701 AERIAL COMMUNICATIONS, INC. 626      
320-535 5 Litchfield MN STCDMNTOX7Y  5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 626      
320-535 6 Litchfield MN STCDMNTOXHX  508J CENTURYLINK COMMUNICATIONS, LLC 626      
320-535 7 Litchfield MN STCDMNTOX3X  184D ONVOY, LLC - MN 626      
320-535 8 Litchfield MN STCDMNTOX8X  6701 AERIAL COMMUNICATIONS, INC. 626      
320-535 9 Litchfield MN STCDMNTOX8X  6701 AERIAL COMMUNICATIONS, INC. 626      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.