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Mail Distribution

(970) 491-6529

(970) 491-5012 Fax


Monday-Friday 7:30am-4:00pm

200 West Lake Street

6011 Campus Delivery

Central Receiving Building

Mail Distribution is responsible for the prompt and accurate receiving, processing, distribution, and posting of all inbound, outbound, and Campus Mail.  We also provide departments with supplies and services such as stamps, forms, labels, and postal supplies.  All mail processed at this facility must be paid for with department funds.  In order to ensure timely service, please have all mail to our facility by 3:00pm.  No personal mail is accepted and no stamps for personal use are available for sale in our facility.


80523 + Four Digit Campus Delivery Code

This is the dedicated Zip Code for Colorado State University business operations mail.

All mail sent to CSU should use the 80523 Zip Code plus your Campus Delivery Code to ensure timely delivery to the intended recipient.  Update your campus delivery code to ensure proper delivery.


Postage Accounting Form

Sending mail?   Use the Postage Accounting Form to tell us who to charge for postage.  Use this form for 1 piece or many pieces.  *This form is required for all mail that does not already have an account number barcode.

Stamp Order Form

Order your USPS stamps here!  Have smaller mailings and just need some stamps?  Fill out the online Stamp Order Form and we'll send you your stamps or you can pick them up in person.  *These stamps are for departmental mailings only, no personal forms of payment are accepted.

Postal Mailing Supplies

Order Form

Do you need USPS forms, envelopes, boxes, tubs and trays?  Order them here!  These supplies are free (while supplies last) for CSU business use only.

Intra-Campus Mail Cover Sheet

Use this form on your Intra-Campus mail envelopes so they can be reused multiple times.

International mail requires special procedures.  Please review these processes and submit for approval before sending International mail to Mail Services.

Campus Mail Information

Subscribe to our e-mail list!  We will send out periodic updates on everything from rate updates, new services, changes in procedure, and upcoming closures.  You can change your preferences at any time!  You can also subscribe to Receiving and Shipping e-mails from the same page.

Campus Delivery Codes

Use this tool to find your Campus Delivery Code.  Campus Delivery Codes are different than Department Numbers, please ensure you are using the correct code.

General Postal Information

Student Mail

All Student Mail (USPS) and Student Packages (UPS/FedEx/DHL/OnTrac) are handled by Housing & Dining Services and is not routed through our facility.  Please contact Housing & Dining Services for more information regarding any student mail or package.

Mail Process @ CSU

Description of Mail Process at CSU

Where is Mail Distribution?

Mail Distribution @ CSU