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: 550

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-550 A St Peter MN ROCHMNROTMD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620      
507-550 0 St Peter MN   980E BANDWIDTH.COM CLEC, LLC - MN 620   2010-02-18   
507-550 1 St Peter MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2007-12-04   
507-550 2 St Peter MN   980E BANDWIDTH.COM CLEC, LLC - MN 620   2011-04-11   
507-550 3 St Peter MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2014-11-30   
507-550 5 St Peter MN   5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2019-12-06   
507-550 6 St Peter MN   8405 TELEPORT COMMUNICATIONS AMERICA, LLC - MN 620   2019-04-22   
507-550 7 St Peter MN   508J CENTURYLINK COMMUNICATIONS, LLC 620   2017-05-05   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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