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: 760

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-760 A Denver CO DNVRCOMA40Z  506J TWILIO INTERNATIONAL, INC. 656      
720-760 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-09-02   
720-760 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-09-02   
720-760 2 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-09-02   
720-760 3 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-10-04   
720-760 4 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2021-10-04   
720-760 5 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2021-01-29   
720-760 6 Denver CO DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656   2021-03-03   
720-760 7 Denver CO DNVRCOMA40Z  506J TWILIO INTERNATIONAL, INC. 656   2020-12-13   
720-760 8 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2021-01-29   
720-760 9 Denver CO DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656   2021-03-03   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.