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: 507 [Rate centres in NPA 507] [Dial plan for NPA 507]

NXX: 224

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-224 A St Leo MN STLEMNXSRS2  1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-224 0 St Leo MN STLEMNXSRS2  1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-224 1 St Leo MN   073H TELNYX LLC 620      
507-224 2 St Leo MN STLEMNXSRS2  1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-224 3 St Leo MN ROCHMNROUMD  184D ONVOY, LLC - MN 620      
507-224 4 St Leo MN ROCHMNROUMD  184D ONVOY, LLC - MN 620      
507-224 5 St Leo MN OWTNMNOWYMD  508J CENTURYLINK COMMUNICATIONS, LLC 620      
507-224 6 St Leo MN STLEMNXSRS2  1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-224 7 St Leo MN STLEMNXSRS2  1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-224 8 St Leo MN STLEMNXSRS2  1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      
507-224 9 St Leo MN STLEMNXSRS2  1367 FRONTIER COMMUNICATIONS OF MINNESOTA, INC. 620      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.