Alternative channels
Mail, text, and in-person payment instructions
Pay by text
A dedicated this detail was not publicly posted. . Current Fullerton utility-payment materials describe the Tyler self-service portal, virtual phone line, mail, in-person cashier, outdoor drop box, and checking-account autopay, but do not publish a text-to-pay keyword, short code, or enrollment process.
Mail-in address
City of Fullerton, Utility Billing, P.O. Box 45850, San Francisco, CA 94145-0850. Customers should detach the payment stub, include a check, and make it payable to City of Fullerton; the City instructs customers not to mail cash.
Counters, drop boxes, and office hours
Fullerton City Hall, 303 W. Commonwealth Avenue, 1st Floor, Central Cashier, Fullerton, CA 92832. The City accepts cash, checks, debit cards, and credit cards Monday through Thursday, 7:30 a.m. to 5:00 p.m., and every other Friday, 7:30 a.m. to 4:00 p.m.; City Hall is closed alternate Fridays and holidays. An outdoor payment drop box is located on the north side of City Hall for after-hours payments. Utility Services lists (714) 738-6890 for billing and service-account assistance.