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: 735

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
507-735 A Rochester MN ROCHMNHIX2X  4156 TEKSTAR COMMUNICATIONS, INC. 620      
507-735 0 Rochester MN ROCHMNROXXX  5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 620   2019-04-18   
507-735 1 Rochester MN ROCHMNHIX2X  4156 TEKSTAR COMMUNICATIONS, INC. 620   2014-05-22   
507-735 2 Rochester MN ROCHMNROXXX  5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 620   2016-10-15   
507-735 6 Rochester MN ROCHMNROTMD  5256 LEVEL 3 COMMUNICATIONS, LLC - MN 620   2020-04-24   
507-735 8 Rochester MN ROCHMNROXXX  5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 620   2022-07-20   
507-735 9 Rochester MN ROCHMNROXXX  5816 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 620   2020-09-11   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.