Mail Services

Mailbag Codes

Mail Services is responsible for billing back to departments for their postage and freight charges.

barcode with CSU Chico, Account name, Mailbag code, etc

A Mailbag Code is a specific series of letters and numbers that refer to a University account that has been authorized for postage and freight charges.

Don't know your Mailbag Code? Give us a call! Mail Services 530-898-5326.

Have more questions about your Mailbag Code? Call Chris Mendoza at 530-898-5361.

Where do you find Mailbag Codes? Mailbag Codes are commonly found in the clear pouches on mailbags within your department office.

Auxiliary

This type of Mailbag Code is funded by a Associated Students, Research Foundation or University Foundation project that has been authorized for postage and freight charges.

For every AS, the project number is preceded by "AS".

  • Example - AS####

For every RF / UF, the project number is preceded by "FD".

  • Example - FD#####

For RF / UF, contact your analyst at the Office of Research and Sponsored Programs or the Research Foundation to authorize your project for postage and freight charges.

State

This type of Mailbag Code is funded by a state chartfield string that has been authorized for postage and freight charges.

Generally, a department's acronym followed by their Campus ZIP.

  • Example - MAIL285

Search by DeptID, when using the State Mailbag Lookup tool on Insight, to find out what your Mailbag Code is and which chartfield is associated with it.