Billing adjustments, late payments and procedures, rates, setup/ transfer services, theft of services/tamper policy, and how to read your bill found under the Utilities billing and Collections tab. The business office located on the BACK of city hall at 100 S. Russell St. handles all payments due to the City of Portland including utility, court, business license, permit fees, etc. Hours of Operation are Monday through Friday 8:00AM – 4:30PM. To contact the business office by phone call 615-325-6776 and enter extension 555.