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: 720 [Rate centres in NPA 720] [Dial plan for NPA 720]

NXX: 930

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-930 A Denver CO DNVRCOMA21Z  156J RCLEC, INC. 656      
720-930 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2015-10-27   
720-930 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2015-10-27   
720-930 2 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2015-10-30   
720-930 3 Denver CO DNVRCOII4MD  5562 METROPCS, INC. 656   2016-08-06   
720-930 4 Denver CO DNVRCOMA21Z  156J RCLEC, INC. 656   2015-10-26   
720-930 5 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2015-10-27   
720-930 6 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2015-10-27   
720-930 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2015-10-30   
720-930 8 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2015-10-30   
720-930 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2015-10-30   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.