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: 971 [Rate centres in NPA 971] [Dial plan for NPA 971]

NXX: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-306 A Rockaway OR SHRDORXACMD  352D CHARTER FIBERLINK OR-CCVII, LLC - OR 672      
971-306 0 Rockaway OR PTLDORWAXKY  936F ASTOUND BROADBAND, LLC - OR 672   2020-08-14   
971-306 1 Rockaway OR SHRDORXACMD  352D CHARTER FIBERLINK OR-CCVII, LLC - OR 672      
971-306 2 Rockaway OR PTLDOR13XGX  506J TWILIO INTERNATIONAL, INC. 672   2021-01-15   
971-306 3 Rockaway OR PTLDOR69X9X  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 672   2019-06-06   
971-306 4 Rockaway OR THDLORXAFMD  750E ONVOY, LLC - OR 672   2020-08-14   
971-306 5 Rockaway OR THDLORXAFMD  750E ONVOY, LLC - OR 672   2020-08-14   
971-306 6 Rockaway OR THDLORXAFMD  750E ONVOY, LLC - OR 672   2018-12-06   
971-306 7 Rockaway OR PTLDORWAXDX  508J CENTURYLINK COMMUNICATIONS, LLC 672   2013-12-09   
971-306 8 Rockaway OR THDLORXAFMD  750E ONVOY, LLC - OR 672   2021-02-11   
971-306 9 Rockaway OR THDLORXAFMD  750E ONVOY, LLC - OR 672   2021-02-11   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.