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.

Switch: GDJTCOMAGT0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
970-462 A Grand Junction CO 588A ZIPPYTECH INCORPORATED 656      
970-462 0 Grand Junction CO 588A ZIPPYTECH INCORPORATED 656   2008-06-27   
970-648 1 Gunnison CO 588A ZIPPYTECH INCORPORATED 656   2010-08-14   
970-665 0 Rifle CO 588A ZIPPYTECH INCORPORATED 656   2010-04-25   
970-665 1 Rifle CO 588A ZIPPYTECH INCORPORATED 656   2010-06-19   
970-981 A Parachute CO 022J ZIPPYTECH INC. - CO 656      
970-981 0 Parachute CO 022J ZIPPYTECH INC. - CO 656   2017-08-13   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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