Alternative channels
Mail, text, and in-person payment instructions
Pay by text
A dedicated this detail was not publicly posted. No verified text-to-pay keyword or enrollment sequence was published.
Mail-in address
Use the remittance address printed on the Oklahoma City Utilities bill; the reviewed payment page did not expose a single universal address independent of the statement.
Counters, drop boxes, and office hours
Oklahoma City provides portal, app, phone, mail, and in-person payment channels; the reviewed official pages did not expose a complete current customer-center address and counter-hours matrix or payment-instrument list.