Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 507 [Rate centres in NPA 507] [Dial plan for NPA 507]

NXX: 704

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-704 A Altura MN ROCHMNHH3MD  792K CHARTER IP ENABLED SERVICES, LLC 620   2025-02-27   
507-704 0 Altura MN ROCHMNROUMD  184D ONVOY, LLC - MN 620   2017-11-19   
507-704 1 Altura MN ROCHMNHH3MD  792K CHARTER IP ENABLED SERVICES, LLC 620   2016-10-01   
507-704 2 Altura MN ROCHMNROTMD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2023-02-25   
507-704 3 Altura MN ROCHMNROXQX  624H ONVOY SPECTRUM, LLC 620   2021-06-21   
507-704 4 Altura MN ROCHMNROUMD  184D ONVOY, LLC - MN 620   2019-09-11   
507-704 6 Altura MN ROCHMNROXQX  624H ONVOY SPECTRUM, LLC 620   2021-10-23   
507-704 7 Altura MN OWTNMNOWYMD  508J CENTURYLINK COMMUNICATIONS, LLC 620   2017-05-06   
507-704 8 Altura MN ROCHMNROXRX  073H TELNYX LLC 620   2020-06-29   
507-704 9 Altura MN ROCHMNHI9MD  939H COMMIO, LLC 620   2023-05-07   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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