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
320-682 8 Morris MN   184D ONVOY, LLC - MN 626   2023-09-03   
320-682 9 Morris MN   4587 CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-MN 626      
320-683 A Olivia MN STCDMNATUMD  4587 CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-MN 626      
320-683 0 Olivia MN   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 626   2023-11-02   
320-683 1 Olivia MN   4587 CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-MN 626      
320-683 3 Olivia MN   624H ONVOY SPECTRUM, LLC 626   2024-12-19   
320-683 8 Olivia MN   5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 626   2024-11-20   
320-683 9 Olivia MN   4587 CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-MN 626      
320-684 A Malmo MN MALMMNXMRS6  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-684 0 Malmo MN   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-684 1 Malmo MN   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-684 2 Malmo MN   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-684 3 Malmo MN   184D ONVOY, LLC - MN 626   2021-05-24   
320-684 4 Malmo MN   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-684 5 Malmo MN   184D ONVOY, LLC - MN 626   2017-05-29   
320-684 6 Malmo MN   184D ONVOY, LLC - MN 626   2015-06-19   
320-684 8 Malmo MN   073H TELNYX LLC 626   2020-07-20   
320-684 9 Malmo MN   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-685 A Cold Spring MN CLSPMNCBRS6  9631 QWEST CORPORATION 626      
320-685 0 Cold Spring MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 626   2004-12-13   
320-685 1 Cold Spring MN   184D ONVOY, LLC - MN 626   2005-09-10   
320-685 2 Cold Spring MN   9631 QWEST CORPORATION 626      
320-685 3 Cold Spring MN   9631 QWEST CORPORATION 626      
320-685 4 Cold Spring MN   9631 QWEST CORPORATION 626      
320-685 5 Cold Spring MN   9631 QWEST CORPORATION 626      
320-685 6 Cold Spring MN   9631 QWEST CORPORATION 626      
320-685 7 Cold Spring MN   9631 QWEST CORPORATION 626      
320-685 8 Cold Spring MN   9631 QWEST CORPORATION 626      
320-685 9 Cold Spring MN   9631 QWEST CORPORATION 626      
320-686 A Cold Spring MN STCDMNTOXHY  622J SKYE TELECOM LLC DBA SKYETEL 626      
320-686 0 Cold Spring MN   429A MIDCONTINENT COMMUNICATIONS - MN 626   2011-10-14   
320-686 1 Cold Spring MN   184D ONVOY, LLC - MN 626   2019-02-25   
320-686 2 Cold Spring MN   145J TERRA NOVA TELECOM INC. 626   2022-07-04   
320-686 3 Cold Spring MN   8405 TELEPORT COMMUNICATIONS AMERICA, LLC - MN 626   2022-11-10   
320-686 4 Cold Spring MN   622J SKYE TELECOM LLC DBA SKYETEL 626   2021-10-31   
320-686 5 Cold Spring MN   980E BANDWIDTH.COM CLEC, LLC - MN 626   2020-12-11   
320-686 6 Cold Spring MN   4156 TEKSTAR COMMUNICATIONS, INC. 626   2017-12-29   
320-686 7 Cold Spring MN   508J CENTURYLINK COMMUNICATIONS, LLC 626   2017-06-20   
320-686 8 Cold Spring MN   184D ONVOY, LLC - MN 626   2019-02-25   
320-686 9 Cold Spring MN   073H TELNYX LLC 626   2020-07-12   
320-692 A Garrison MN GRSNMNXGRS6  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-693 A Litchfield MN LTFDMNLIRS6  9631 QWEST CORPORATION 626      
320-695 A Browns Valley MN BWVYMNXBRS6  1495 VALLEY TEL. CO. 626      
320-697 A Elrosa MN ELRSMNXERS0  1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-697 0 Elrosa MN   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-697 1 Elrosa MN   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      
320-697 2 Elrosa MN   184D ONVOY, LLC - MN 626   2015-06-18   
320-697 3 Elrosa MN   184D ONVOY, LLC - MN 626   2016-12-16   
320-697 4 Elrosa MN   508J CENTURYLINK COMMUNICATIONS, LLC 626   2017-06-20   
320-697 5 Elrosa MN   1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 626      

<< 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: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.