M-F 7:30am-11 am, 12pm-4:30pm
M-F 7:30am-11 am, 12pm-3pm
Protecting your personal and financial information is a top priority.
As of February 1, 2026, customer service representatives will no longer accept payments over the phone.
Online Payments: Log in to your account or use QuickPay at southwesternutility.com.
Pay by Phone (Automated System): Please refer to your statement for instructions.
Note: The automated pay-by-phone system does NOT provide a confirmation number.
You may need to reference your bank statement for verification.
Mail: Send a check, money order, or bill pay through your bank.
Note: Payments sent via USPS are taking two weeks or longer to reach the office.
AutoPay: Set up automatic payments online.
In-Office Payments: 2015 N. Forbes Blvd., Suite 107 Tucson, AZ 85754
Monday–Thursday: 7:30 AM – 4:30 PM
Closed for Lunch: 11:00 AM – 12:00 PM
Friday: Office Closed
Monday–Thursday: 7:30 AM – 3:00 PM
Closed for Lunch: 11:00 AM – 12:00 PM
Friday Phone Hours: 7:30 AM – 11:00 AM