Best Western Plaza Hotel – Longmont CO Return to Directory Location Details Boulder County Fairgrounds Street Address 1900 Ken Pratt Blvd City Longmont Agility Trial Location Name Boulder County Fairgrounds, Colorado Zip Code 80501 Phone 866-460-7456 Rating (average) (0) Ratings There are no reviews yet. Please login to leave a review. Directions to listing From: Current location Specific Address Travel Mode: Driving Public Transit Walking Cycling