Post offices in the county of Boulder, CO
Use this page to find the post offices in your county that open earliest or stay open latest. The open hours listed are for the post office's retail hours, which means the hours in which a postal service employee is available at the counter to help with mailings and other services. Oftentimes lobbies are open extended hours, and you are able to check your PO box, drop off packages, or use the self-service APC machine to buy postage. The list below is first sorted alphabetically by city, then by post office name. Street View photos of post offices are shown when available. Please contact us if you find an error, so that we can correct it.
Allenspark Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 9:30 AM 1:00 PM 1:30 PM 4:00 PM Tuesday 9:30 AM 1:00 PM 1:30 PM 4:00 PM Wednesday 9:30 AM 1:00 PM 1:30 PM 4:00 PM Thursday 9:30 AM 1:00 PM 1:30 PM 4:00 PM Friday 9:30 AM 1:00 PM 1:30 PM 4:00 PM Saturday 10:00 AM 1:45 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 303-747-2559
Boulder Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 8:30 AM 5:30 PM Tuesday 8:30 AM 5:30 PM Wednesday 8:30 AM 5:30 PM Thursday 8:30 AM 5:30 PM Friday 8:30 AM 5:30 PM Saturday 10:00 AM 2:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 303-938-3704
Fax: 303-786-8756
High Mar Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 9:00 AM 5:30 PM Tuesday 9:00 AM 5:30 PM Wednesday 9:00 AM 5:30 PM Thursday 9:00 AM 5:30 PM Friday 9:00 AM 5:30 PM Saturday 10:00 AM 1:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 303-494-5006
Fax: 303-499-4790
Valmont Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 9:00 AM 6:00 PM Tuesday 9:00 AM 6:00 PM Wednesday 9:00 AM 6:00 PM Thursday 9:00 AM 6:00 PM Friday 9:00 AM 6:00 PM Saturday 10:00 AM 2:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 720-564-6450
Fax: 303-245-6486
Eldorado Springs Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 1:00 PM 5:00 PM Tuesday 1:00 PM 5:00 PM Wednesday 1:00 PM 5:00 PM Thursday 1:00 PM 5:00 PM Friday 1:00 PM 5:00 PM Saturday Closed Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 303-494-3752
Hygiene Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 8:00 AM 12:30 PM 1:00 PM 4:30 PM Tuesday 8:00 AM 12:30 PM 1:00 PM 4:30 PM Wednesday 8:00 AM 12:30 PM 1:00 PM 4:30 PM Thursday 8:00 AM 12:30 PM 1:00 PM 4:30 PM Friday 8:00 AM 12:30 PM 1:00 PM 4:30 PM Saturday 9:00 AM 12:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 303-776-1605
Fax: 303-776-6306
Jamestown Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 9:00 AM 12:00 PM 12:30 PM 3:30 PM Tuesday 9:00 AM 12:00 PM 12:30 PM 3:30 PM Wednesday 9:00 AM 12:00 PM 12:30 PM 3:30 PM Thursday 9:00 AM 12:00 PM 12:30 PM 3:30 PM Friday 9:00 AM 12:00 PM 12:30 PM 3:30 PM Saturday 9:00 AM 11:30 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 303-442-0481
Fax: 303-449-0647
Lafayette Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 9:00 AM 5:00 PM Tuesday 9:00 AM 5:00 PM Wednesday 9:00 AM 5:00 PM Thursday 9:00 AM 5:00 PM Friday 9:00 AM 5:00 PM Saturday 10:00 AM 1:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 303-926-1044
Fax: 303-665-1325
Lafayette Carrier Annex Post Office does not have retail counter services
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 303-664-1241
Fax: 303-665-1325
Longmont Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 9:00 AM 5:30 PM Tuesday 9:00 AM 5:30 PM Wednesday 9:00 AM 5:30 PM Thursday 9:00 AM 5:30 PM Friday 9:00 AM 5:30 PM Saturday 9:00 AM 1:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 303-776-2387
Fax: 303-772-2839
Louisville Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 9:00 AM 5:30 PM Tuesday 9:00 AM 5:30 PM Wednesday 9:00 AM 5:30 PM Thursday 9:00 AM 5:30 PM Friday 9:00 AM 5:30 PM Saturday 9:00 AM 12:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 303-665-0030
Fax: 303-665-3068
Lyons Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 7:30 AM 4:30 PM Tuesday 7:30 AM 4:30 PM Wednesday 7:30 AM 4:30 PM Thursday 7:30 AM 4:30 PM Friday 7:30 AM 4:30 PM Saturday 8:00 AM 11:30 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 303-823-0109
Fax: 720-310-4009
Nederland Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 8:00 AM 4:00 PM Tuesday 8:00 AM 4:00 PM Wednesday 8:00 AM 4:00 PM Thursday 8:00 AM 4:00 PM Friday 8:00 AM 4:00 PM Saturday 9:00 AM 12:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 303-258-3247
Fax: 303-258-7608
Niwot Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 8:30 AM 5:00 PM Tuesday 8:30 AM 5:00 PM Wednesday 8:30 AM 5:00 PM Thursday 8:30 AM 5:00 PM Friday 8:30 AM 5:00 PM Saturday 8:30 AM 11:30 AM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 303-652-2309
Pinecliffe Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 10:00 AM 2:00 PM Tuesday 10:00 AM 2:00 PM Wednesday 10:00 AM 2:00 PM Thursday 10:00 AM 2:00 PM Friday 10:00 AM 2:00 PM Saturday 7:00 AM 12:30 PM 1:00 PM 3:30 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 303-642-7358
Ward Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Open hours
Day Open Close Monday 11:30 AM 3:30 PM Tuesday 11:30 AM 3:30 PM Wednesday 11:30 AM 3:30 PM Thursday 11:30 AM 3:30 PM Friday 11:30 AM 3:30 PM Saturday 12:00 PM 2:00 PM Sunday Closed - Buy postage online
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- STAMPS100
$100 value
Phone: 303-459-0255