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.
- Post office address
- 7 Washington St Allenspark, CO 80510-9997 Get directions
- 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 - Phone
- 303-747-2559
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Boulder Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 1905 15th St Boulder, CO 80302-9998 Get directions
- 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 - Phone
- 303-938-3704
- Fax
- 303-786-8756
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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.
- Post office address
- 4985 Moorhead Ave Boulder, CO 80305-9998 Get directions
- 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 - Phone
- 303-494-5006
- Fax
- 303-499-4790
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Valmont Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 2995 55th St Boulder, CO 80301-9998 Get directions
- 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 - Phone
- 720-564-6450
- Fax
- 303-245-6486
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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.
- Post office address
- 3330 Eldorado Springs Dr Eldorado Springs, CO 80025-9900 Get directions
- 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 - Phone
- 303-494-3752
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Hygiene Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 11830 N 75th St Hygiene, CO 80533-9997 Get directions
- 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 - Phone
- 303-776-1605
- Fax
- 303-776-6306
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Jamestown Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 133 Main St Jamestown, CO 80455-9997 Get directions
- 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 - Phone
- 303-442-0481
- Fax
- 303-449-0647
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Lafayette Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 603 S Public Rd Lafayette, CO 80026-9998 Get directions
- 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 - Phone
- 303-926-1044
- Fax
- 303-665-1325
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
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.
- Post office address
- 109 Kimbark St Lafayette, CO 80026-9997 Get directions
- Open hours
Day Open Close - Phone
- 303-664-1241
- Fax
- 303-665-1325
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Longmont Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 201 Coffman St Longmont, CO 80501-9998 Get directions
- 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 - Phone
- 303-776-2387
- Fax
- 303-772-2839
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Louisville Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 566 S Mccaslin Blvd Louisville, CO 80027-9998 Get directions
- 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 - Phone
- 303-665-0030
- Fax
- 303-665-3068
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Lyons Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 305 Railroad Ave Lyons, CO 80540-9997 Get directions
- 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 - Phone
- 303-823-0109
- Fax
- 720-310-4009
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Nederland Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 350 East St Nederland, CO 80466-9908 Get directions
- 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 - Phone
- 303-258-3247
- Fax
- 303-258-7608
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Niwot Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 150 Murray St Niwot, CO 80544-9997 Get directions
- 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 - Phone
- 303-652-2309
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Pinecliffe Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 114 Pinecliff Rd Pinecliffe, CO 80471-9997 Get directions
- 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 - Phone
- 303-642-7358
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Ward Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 1 Columbia St Ward, CO 80481-9900 Get directions
- 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 - Phone
- 303-459-0255
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value