Start with the meter, then follow the supply.
OKC Utilities publishes a water-meter guide covering meter readings, leak indicators and its meter upgrade program. If OKC is your water provider, that guide can help you understand the reading before discussing a household plumbing problem.
OKC Utilities: water-meter resources ↗A meter reading is a clue, not a diagnosis. Tell the team whether you noticed a billing change, visible water or a change at a particular fixture. Keep utility-account questions with your utility provider.
For customers of the named utility. Check the provider on your bill; a postal city alone does not identify your water or sewer provider.