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: 4437 CENTURYTEL GEM STATE INC-ID DBA CENTURYLINK - ID

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
208-487 A Richfield ID RCFDIDXCDS0  652      
208-487 2 Richfield ID RCFDIDXCDS0  652      
208-487 3 Richfield ID RCFDIDXCDS0  652      
208-759 A Grasmere-Riddle ID OWYHNVXFRS0  652      
208-759 3 Grasmere-Riddle ID OWYHNVXFRS0  652      
208-834 A Grand View ID GRVWIDXCDS0  652      
208-834 2 Grand View ID GRVWIDXCDS0  652      
208-834 5 Grand View ID GRVWIDXCDS0  652   2011-08-06   
208-845 A Bruneau ID BRUNIDXCRS0  652      
208-845 2 Bruneau ID BRUNIDXCRS0  652      

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

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