Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 320 [Rate centres in NPA 320] [Dial plan for NPA 320]

NXX: 455

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-455 A Hutchinson MN MPLSMNDTX0Y  593K MCC TELEPHONY LLC 628      
320-455 1 Hutchinson MN   6701 AERIAL COMMUNICATIONS, INC. 628   2010-03-03   
320-455 2 Hutchinson MN   6701 AERIAL COMMUNICATIONS, INC. 628   2011-01-17   
320-455 3 Hutchinson MN   6701 AERIAL COMMUNICATIONS, INC. 628   2012-10-29   
320-455 4 Hutchinson MN   593K MCC TELEPHONY LLC 628   2017-05-31   
320-455 5 Hutchinson MN   5562 METROPCS, INC. 628   2015-10-19   
320-455 6 Hutchinson MN   5562 METROPCS, INC. 628   2017-10-14   
320-455 7 Hutchinson MN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 628   2010-12-13   
320-455 8 Hutchinson MN   593K MCC TELEPHONY LLC 628   2017-06-12   
320-455 9 Hutchinson MN   593K MCC TELEPHONY LLC 628   2010-05-15   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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