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: 435 [Rate centres in NPA 435] [Dial plan for NPA 435]

NXX: 866

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-866 A Portage UT PRTGUTXCRS1  4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-866 0 Portage UT PRTGUTXCRS1  4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-866 1 Portage UT PRTGUTXCRS1  4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-866 2 Portage UT PRTGUTXCRS1  4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-866 3 Portage UT PRTGUTXCRS1  4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-866 4 Portage UT PRTGUTXCRS1  4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-866 5 Portage UT PRTGUTXCRS1  4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      
435-866 6 Portage UT SLKCUT26BMD  965H FRACTEL, LLC 660   2021-09-06   
435-866 7 Portage UT WVCYUT14DS1  871E ONVOY, LLC - UT 660   2022-12-19   
435-866 8 Portage UT WVCYUT14DS1  871E ONVOY, LLC - UT 660   2022-10-26   
435-866 9 Portage UT PRTGUTXCRS1  4429 CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT 660      

Last updated: Fri, 28 Jun 2024 03:14:50 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.