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: 588A ZIPPYTECH INCORPORATED

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
720-345 A Denver CO DNVRCOMAGT7  656      
720-345 0 Denver CO DNVRCOMAGT7  656      
970-236 A Aspen CO ASPECOMAGT0  656      
970-236 0 Aspen CO ASPECOMAGT0  656      
970-236 5 Aspen CO ASPECOMAGT0  656      
970-279 2 Basalt CO ASPECOMAGT0  656      
970-399 0 Delta CO GDJTCOMAGT0  656      
970-403 A Durango CO DURNCOMAG00  656      
970-403 0 Durango CO DURNCOMAG00  656      
970-403 1 Durango CO DURNCOMAG00  656      
970-403 8 Durango CO DURNCOMAG00  656      
970-426 4 Durango CO DURNCOMAG00  656      
970-462 A Grand Junction CO GDJTCOMAGT0  656      
970-462 0 Grand Junction CO GDJTCOMAGT0  656      
970-510 3 Carbondale CO ASPECOMAGT0  656      
970-529 5 Cortez CO   656      
970-529 7 Cortez CO DURNCOMAG00  656      
970-542 8 Fort Morgan CO DNVRCOMAGT7  656      
970-547 6 Breckenridge CO DNVRCOMAGT7  656      
970-648 1 Gunnison CO GDJTCOMAGT0  656      
970-665 0 Rifle CO GDJTCOMAGT0  656      
970-665 1 Rifle CO GDJTCOMAGT0  656      
970-729 7 Telluride CO DURNCOMAG00  656      
970-827 2 Vail CO DNVRCOMAGT7  656      
970-888 5 Greeley CO DNVRCOMAGT7  656      
970-964 1 Montrose CO GDJTCOMAGT0  656      
970-968 5 Dillon CO DNVRCOMAGT7  656      
970-989 1 Glenwood Springs CO ASPECOMAGT0  656      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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