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: 947 [Rate centres in NPA 947] [Dial plan for NPA 947]

NXX: 366

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
947-366 A Farmington MI SFLDMIMKBMD  516J TON80 COMMUNICATIONS, LLC 340      
947-366 0 Farmington MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2021-09-26   
947-366 1 Farmington MI SFLDMIMNXRX  991E BANDWIDTH.COM CLEC, LLC - MI 340   2021-09-26   
947-366 2 Farmington MI SFLDMIMK5MD  939H COMMIO, LLC 340   2021-10-11   
947-366 3 Farmington MI DTRTMIBHJMD  506J TWILIO INTERNATIONAL, INC. 340   2021-07-15   
947-366 4 Farmington MI DTRTMIVWDMD  624H ONVOY SPECTRUM, LLC 340   2021-06-14   
947-366 5 Farmington MI SFLDMIMK5MD  939H COMMIO, LLC 340   2021-10-11   
947-366 6 Farmington MI DTRTMIAPG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 340   2023-03-18   
947-366 7 Farmington MI SFLDMIMK5MD  939H COMMIO, LLC 340   2021-10-11   
947-366 8 Farmington MI SFLDMIMKBMD  516J TON80 COMMUNICATIONS, LLC 340   2021-04-23   
947-366 9 Farmington MI SFLDMIMK5MD  939H COMMIO, LLC 340   2021-10-11   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.