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]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
320-584 4 Royalton MN   7770 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 626   2008-01-28   
320-584 5 Royalton MN   9631 QWEST CORPORATION 626      
320-584 6 Royalton MN   9631 QWEST CORPORATION 626      
320-584 7 Royalton MN   9631 QWEST CORPORATION 626      
320-584 8 Royalton MN   9631 QWEST CORPORATION 626      
320-584 9 Royalton MN   980E BANDWIDTH.COM CLEC, LLC - MN 626   2008-11-30   
320-585 A Morris MN MRRSMNFTRS1  2629 FEDERATED TELEPHONE COOPERATIVE - MN 626      
320-587 A Hutchinson MN HTSNMNXHDS1  1409 HUTCHINSON TEL. CO. 628      
320-588 A Finlayson MN STPLMNMKTMD  624H ONVOY SPECTRUM, LLC 628      
320-588 2 Finlayson MN   184D ONVOY, LLC - MN 628   2021-12-05   
320-588 5 Finlayson MN   624H ONVOY SPECTRUM, LLC 628   2021-08-20   
320-588 8 Finlayson MN   184D ONVOY, LLC - MN 628   2021-09-27   
320-589 A Morris MN MRRSMNMORS5  9631 QWEST CORPORATION 626      
320-589 0 Morris MN   9631 QWEST CORPORATION 626      
320-589 1 Morris MN   9631 QWEST CORPORATION 626      
320-589 2 Morris MN   9631 QWEST CORPORATION 626      
320-589 3 Morris MN   9631 QWEST CORPORATION 626      
320-589 4 Morris MN   9631 QWEST CORPORATION 626      
320-589 5 Morris MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 626   2004-12-19   
320-589 6 Morris MN   9631 QWEST CORPORATION 626      
320-589 7 Morris MN   9631 QWEST CORPORATION 626      
320-589 8 Morris MN   9631 QWEST CORPORATION 626      
320-589 9 Morris MN   9631 QWEST CORPORATION 626      
320-591 A Pine City MN MPLSMNCD9MD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 628      
320-591 0 Pine City MN   5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 628   2007-03-04   
320-591 1 Pine City MN   184D ONVOY, LLC - MN 628   2004-11-01   
320-591 3 Pine City MN   980E BANDWIDTH.COM CLEC, LLC - MN 628   2015-06-18   
320-591 4 Pine City MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 628      
320-591 5 Pine City MN   6701 AERIAL COMMUNICATIONS, INC. 628   2016-10-10   
320-591 6 Pine City MN   515J IP HORIZON LLC 628   2014-01-02   
320-591 7 Pine City MN   508J CENTURYLINK COMMUNICATIONS, LLC 628   2015-09-30   
320-591 8 Pine City MN   980E BANDWIDTH.COM CLEC, LLC - MN 628   2020-08-13   
320-591 9 Pine City MN   184D ONVOY, LLC - MN 628   2007-04-13   
320-592 A McGrath MN MGRTMNXMRS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 628      
320-592 0 McGrath MN   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 628      
320-592 1 McGrath MN   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 628      
320-592 2 McGrath MN   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 628      
320-592 3 McGrath MN   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 628      
320-592 4 McGrath MN   184D ONVOY, LLC - MN 628   2017-05-29   
320-592 5 McGrath MN   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 628      
320-592 6 McGrath MN   184D ONVOY, LLC - MN 628   2015-06-19   
320-592 7 McGrath MN   145J TERRA NOVA TELECOM INC. 628   2026-01-04   
320-592 8 McGrath MN   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 628      
320-592 9 McGrath MN   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 628      
320-593 A Litchfield MN LTFDMN01RS0  4602 HUTCHINSON TELECOMMUNICATIONS, INC. 626      
320-594 A Browerville MN BOVLMNXBRS5  1456 CENTURYLINK OF MINNESOTA, INC. 626      
320-595 A Pierz MN STCDMNTOX3X  184D ONVOY, LLC - MN 626      
320-595 0 Pierz MN   184D ONVOY, LLC - MN 626   2017-11-09   
320-595 1 Pierz MN   184D ONVOY, LLC - MN 626   2019-02-25   
320-595 8 Pierz MN   184D ONVOY, LLC - MN 626   2019-02-25   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 >>

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.