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: 496

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-496 A Braham MN MPLSMNGTG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 628      
320-496 0 Braham MN MPLSMNGTG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 628   2004-05-10   
320-496 1 Braham MN MPLSMNCDGT1  429A MIDCONTINENT COMMUNICATIONS - MN 628   2011-10-14   
320-496 3 Braham MN MPLSMNGTG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 628   2008-03-31   
320-496 4 Braham MN MPLSMNGTG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 628   2017-05-27   
320-496 5 Braham MN MPLSMNGTG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 628   2009-03-25   
320-496 6 Braham MN MPLSMNDTXRX  980E BANDWIDTH.COM CLEC, LLC - MN 628   2008-11-30   
320-496 7 Braham MN MPLSMNGTG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 628   2011-03-08   
320-496 8 Braham MN MPLSMNCDDSC  184D ONVOY, LLC - MN 628   2011-12-05   
320-496 9 Braham MN MPLSMNCD9MD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 628   2004-12-14   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.