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.

OCN: 2231 PROJECT MUTUAL TEL. COOP. ASSN., INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
208-434 A Rupert ID RPRTIDXCDS1  652      
208-434 2 Rupert ID RPRTIDXCDS1  652      
208-434 4 Rupert ID RPRTIDXCDS1  652      
208-434 5 Rupert ID RPRTIDXCDS1  652      
208-434 7 Rupert ID RPRTIDXCDS1  652      
208-434 8 Rupert ID RPRTIDXCDS1  652      
208-434 9 Rupert ID RPRTIDXCDS1  652      
208-436 A Rupert ID RPRTIDXCDS1  652      
208-438 A Paul ID RPRTIDXCDS1  652      
208-531 A Minidoka ID RPRTIDXCDS1  652      
208-532 A Norland ID RPRTIDXCDS1  652      
208-862 A Oakley ID RPRTIDXCDS1  652      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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