Mt. San Antonio College

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How to Update Phone, Building, or Room Number

Modified on: Wed, Nov 23 2022 10:57 AM

Follow these instructions to enter or update a Phone Number, Building Number, or Room Number in the Campus Directory. Navigate to the Update Directory Information page (Shown in Figure 1). You will be asked to enter your Portal Username and Password.


Enter or Update Directory Information 

Figure 1: Enter or Update Directory Information 


 1. Enter the Building number in the Building box. 

 2. Enter the Room number in the Room box. 

 3. Enter the Area Code (e.g., 909) in the first On-Campus Phone box. 

 4. Enter the 9-digit Phone number in the second On-Campus Phone box (e.g., 2745000). 

 5. Click Save. 

Note: Please allow 12 hours for the changes to appear online. 

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