Post Offices

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

Caldwell Post Office

Post Office in Caldwell, Idaho on Arthur St. Operating hours, phone number, services information, and other locations.

Address: 823 Arthur St, Caldwell, ID 83605
Phone: 208-454-5560
Fax: 208-459-9304
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 8:30am - 5:00pm
Tuesday 8:30am - 5:00pm
Wednesday 8:30am - 5:00pm
Thursday 8:30am - 5:00pm
Friday 8:30am - 5:00pm
Saturday 10:00am - 12:00pm
Sunday Closed

Lobby Hours

Monday 5:30pm
Tuesday 5:30pm
Wednesday 5:30pm
Thursday 5:30pm
Friday 5:30pm
Saturday 5:30pm
Sunday Closed

Last Collection Times

Monday 8:00am - 11:00am, 12:00pm - 2:45pm
Tuesday 8:00am - 11:00am, 12:00pm - 2:45pm
Wednesday 8:00am - 11:00am, 12:00pm - 2:45pm
Thursday 8:00am - 11:00am, 12:00pm - 2:45pm
Friday 8:00am - 11:00am, 12:00pm - 2:45pm
Saturday 8:00am - 11:45am
Sunday Closed

Middleton Post Office

Address: 10 S Hawthorne Ave, Middleton, ID 83644
Phone: 208-585-2219
Fax: 208-585-2219
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Huston Post Office

Address: 16021 Pride Ln, Huston, ID 83630
Phone: 208-454-0982
Fax: 208-454-0982
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Greenlea Post Office

Address: 21344 Main St, Greenleaf, ID 83626
Phone: 208-459-8691
Fax: 208-459-8691
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Nampa Carrier Annex Post Office

Address: 820 Parkcentre Way, Nampa, ID 83651
Phone: 208-468-0550
Fax: 208-468-0568
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Notu Post Office

Address: 385 Fargo Ave, Notus, ID 83656
Phone: 208-459-2817
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457