As a renowned institution of higher education, the University of Colorado Boulder is committed to providing students, faculty, staff, and visitors with clear and accessible mailing information. This article serves as a comprehensive guide to the mailing address for University of Colorado Boulder, ensuring seamless communication and postal delivery.

Official Mailing Address
The official mailing address for all university-related correspondence is:
University of Colorado Boulder
Campus Box Number/Department Name
Boulder, CO 80309-0001
Remember to include the specific Campus Box Number or Department Name in the address to ensure timely and accurate delivery.
Campus Box Numbers
Each department and unit at University of Colorado Boulder has a unique Campus Box Number. To obtain the correct Campus Box Number for your intended recipient, refer to the following resources:
- Department Websites: Most departments maintain websites with contact information, including Campus Box Numbers.
- Campus Directory: The official University of Colorado Boulder directory provides a searchable database of departments and their corresponding Campus Box Numbers.
- University Operator: The university operator can assist in providing Campus Box Numbers over the phone at (303) 492-7000.
Mail Services
The University of Colorado Boulder Mail Center offers a range of mail services, including mail forwarding, package handling, and postage services. For detailed information and inquiries, contact the Mail Center at (303) 492-3601 or visit their website at https://www.colorado.edu/mail/.
Common Mistakes to Avoid
To prevent delays or misdirected mail, avoid the following common mistakes:
- Incorrect Campus Box Number: Ensure the Campus Box Number in the address is accurate and corresponds to the intended recipient.
- Missing Department Name: Always include the Department Name for departments that do not have dedicated Campus Box Numbers.
- Incomplete Address: Verify that the mailing address includes the correct street address, city, state, and ZIP code (80309-0001).
Step-by-Step Approach to Addressing Mail
Follow these simple steps to ensure proper mail delivery:
- Identify the Department Name or Campus Box Number of the recipient.
- Include the recipient’s name and department name on the envelope.
- Use the official mailing address: University of Colorado Boulder, Campus Box Number/Department Name, Boulder, CO 80309-0001.
- Affix sufficient postage.
- Drop the mail at a designated campus mailbox or post office.
Frequently Asked Questions (FAQs)
Q: How do I find the Campus Box Number for a specific department?
A: Refer to department websites, the campus directory, or contact the university operator at (303) 492-7000.
Q: Where can I drop off outgoing mail?
A: Designated campus mailboxes or the University of Colorado Boulder Mail Center.
Q: What happens to mail that does not have the correct Campus Box Number?
A: Incorrectly addressed mail may experience delays or be returned to the sender.
Q: Can I have my mail forwarded to another address?
A: Yes, you can set up mail forwarding through the University of Colorado Boulder Mail Center.
Q: Who do I contact for inquiries about undelivered mail?
A: Contact the University of Colorado Boulder Mail Center at (303) 492-3601.
Q: What is the deadline for mailing items to ensure timely delivery?
A: Allow ample time for processing and delivery, especially during peak periods and holidays.
Additional Tips
- Use clear and legible handwriting or printed labels.
- Avoid using envelopes with unusual shapes or sizes.
- Consider using a trackable mail service for important documents.
- Notify the Mail Center of any changes to your mailing address.
By adhering to these guidelines, you can ensure efficient and accurate mail delivery to the University of Colorado Boulder. Remember to stay informed about any updates or changes to the mailing address by visiting the university website or contacting the Mail Center directly.