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: 301

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-301 A Northfield MN OWTNMNOWOMD  6701 AERIAL COMMUNICATIONS, INC. 620      
507-301 0 Northfield MN OWTNMNAMGMD  4587 CONSOLIDATED COMMUNICATIONS ENTERPRISE SVCS-MN 620      
507-301 1 Northfield MN ROCHMNROXXX  5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 620      
507-301 2 Northfield MN ROCHMNROXXX  5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 620      
507-301 3 Northfield MN   792K CHARTER IP ENABLED SERVICES, LLC 620      
507-301 4 Northfield MN ROCHMNROXXX  5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 620      
507-301 5 Northfield MN ROCHMNROXXX  5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 620      
507-301 6 Northfield MN ROCHMNROX0X  980E BANDWIDTH.COM CLEC, LLC - MN 620      
507-301 7 Northfield MN ROCHMNROX0X  980E BANDWIDTH.COM CLEC, LLC - MN 620      
507-301 8 Northfield MN OWTNMNOWOMD  6701 AERIAL COMMUNICATIONS, INC. 620      
507-301 9 Northfield MN   6701 AERIAL COMMUNICATIONS, INC. 620      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.