Post Offices

Post Offices in & near Johnstown, Colorado. Operating hours, locations, phone/fax number, services information.

Johnstown Post Office

Post Office in Johnstown, Colorado on Castle Pines Ave. Operating hours, phone number, services information, and other locations.

Address: 121 Castle Pines Ave, Johnstown, CO 80534
Phone: 970-587-4246
Fax: 970-587-0140
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 8:30am - 1:00pm, 2:00pm - 4:30pm
Tuesday 8:30am - 1:00pm, 2:00pm - 4:30pm
Wednesday 8:30am - 1:00pm, 2:00pm - 4:30pm
Thursday 8:30am - 1:00pm, 2:00pm - 4:30pm
Friday 8:30am - 1:00pm, 2:00pm - 4:30pm
Saturday 9:30am - 12:00pm
Sunday Closed

Lobby Hours

Monday 4:30pm
Tuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday 12:00pm
Sunday Closed

Last Collection Times

Monday 9:00am - 12:00pm, 2:00pm - 4:00pm
Tuesday 9:00am - 12:00pm, 2:00pm - 4:00pm
Wednesday 9:00am - 12:00pm, 2:00pm - 4:00pm
Thursday 9:00am - 12:00pm, 2:00pm - 4:00pm
Friday 9:00am - 12:00pm, 2:00pm - 4:00pm
Saturday Closed
Sunday Closed