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: 940 [Rate centres in NPA 940] [Dial plan for NPA 940]

NXX: 860

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-860 A Argyle TX DNTNTXXAX5Y  624H ONVOY SPECTRUM, LLC 552      
940-860 0 Argyle TX DLLSTX97TMD  939H COMMIO, LLC 552   2023-08-27   
940-860 1 Argyle TX DLLSTX97TMD  939H COMMIO, LLC 552   2023-08-27   
940-860 2 Argyle TX DLLSTX97TMD  939H COMMIO, LLC 552   2023-08-27   
940-860 3 Argyle TX DLLSTX97TMD  939H COMMIO, LLC 552   2023-08-27   
940-860 4 Argyle TX DLLSTX97TMD  939H COMMIO, LLC 552   2023-08-27   
940-860 8 Argyle TX DNTNTXXAX5Y  624H ONVOY SPECTRUM, LLC 552   2021-08-12   
940-860 9 Argyle TX DNTNTXXAX5Y  624H ONVOY SPECTRUM, LLC 552   2021-12-11   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.