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: 356

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
971-356 A Clackamas OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672      
971-356 0 Clackamas OR PTLDOR13UMD  073H TELNYX LLC 672   2019-08-27   
971-356 1 Clackamas OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2019-12-12   
971-356 2 Clackamas OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2019-12-12   
971-356 3 Clackamas OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2019-12-12   
971-356 4 Clackamas OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2019-12-12   
971-356 5 Clackamas OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2019-08-26   
971-356 6 Clackamas OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2019-08-26   
971-356 7 Clackamas OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2019-08-26   
971-356 8 Clackamas OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2019-08-26   
971-356 9 Clackamas OR PTLDOR62GT2  6010 NEW CINGULAR WIRELESS PCS, LLC 672   2019-08-26   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.