After obtaining phone numbers, admins can batch export numbers or batch assign numbers to phone users. There's no limit to the amount of phone numbers you can export in a CSV file.

This article covers:

• How to batch export unassigned phone numbers
• How to batch assigning phone numbers

Prerequisites to batch exporting and assigning phone numbers

• Pro, Business, or Education account
• Account owner or admin privileges
• Zoom Phone license
• Purchased or ported phone numbers

How to batch export unassigned phone numbers

After obtaining phone numbers, you can batch export unassigned phone numbers as a CSV file. This is useful when you want to batch assign phone numbers to users.

1. Sign in to the Zoom web portal.
2. In the navigation menu, click Phone System Management then Phone Numbers.
3. Click the Unassigned tab.
4. Click Export at the top of the table and save the CSV file.
   Tip: You can copy the list of unassigned numbers when you batch assign phone numbers.

How to batch assign phone numbers

After obtaining phone numbers, you can batch assign them to any extension using a CSV file.

Note: You can follow these steps to re-assign phone numbers between extensions or assign your unassigned phone numbers to extensions. If you're performing the later, batch export unassigned phone numbers then copy and paste the numbers to the CSV sample file.

1. Sign in to the Zoom web portal.
2. Click Phone System Management > Phone Numbers.
3. Click Import.
4. Click CSV Sample to download a sample CSV file and view the required fields.
5. Fill out the CSV sample using spreadsheet software like Microsoft Excel.
   Note: Do not delete the first row with the field names.
   
   • Phone Number: Enter the assigned or unassigned phone number. If the phone number is already assigned to a user, it will be reassigned to the user you specify.
   • Extension Number: The associated extension number of the phone user you want to assign the phone number to. Leave this blank if you don't want to assign the associated phone number.
6. Go back to the Zoom web portal and click Upload CSV. Select your completed CSV file to start the batch process.
7. Note: If there's an error in one or more fields, the batch process will not complete. You will have these options:
   • Click Details to see a description of fields that were not filled in correctly.
   • (If applicable) Click Ignore Issues and Upload Others to continue the batch process. Any rows in the CSV with errors will not be imported. You won't see this option if all rows have errors.
   • If all rows in the CSV have errors, the batch process will not complete. Click Reupload after you fix the CSV file.
   • Click Close to cancel the batch import process.
8. Click Close if the batch process is successful.