A locked door and a missing key are different jobs
If the key is inside, the immediate problem is getting authorized access. If it has disappeared, opening the door may be only part of the work. You may also want to change which keys can open it afterward.
The same distinction matters with a car. Unlocking a vehicle does not make a replacement key, and a new key may need programming before it can start the engine. Mention whether you have another working key, even if someone else currently has it. That can help clarify the options.
What to have ready
Give the street address, the type of property or vehicle, and a short description of the problem. For a car, the year, make and model are useful. A parking-space description can be more helpful than the name of a large building.
Access work requires permission. Be ready to show that the property or vehicle is yours, or that the owner has authorized the visit. If your identification is locked inside, say so when arranging the job so the verification process can be discussed. A landlord, property manager or rental-car company may need to be involved.
Ask about the whole visit
Before agreeing to work, ask what the estimate includes. Clarify the visit charge, the expected work and any parts that might be needed. If the condition of the lock changes the proposed approach, the new scope and price should be explained before that work proceeds.
Availability and arrival depend on the actual location and the work involved. Call for the current position rather than relying on a promised number of minutes. If you are near Enterprise-Osteen Road, identify the street and entrance as well as the city shown on your address.
Once you are back inside
A lockout can reveal a second problem: a loose handle, a sticking latch or a key that has been difficult for weeks. Explain that history. Repeated force can make a damaged key or lock harder to assess.
If the hardware works but an old key should no longer open the door, rekeying may be the next step. If the door itself will not close or secure, read about lock and door-hardware repair. These are separate decisions; a lockout does not automatically mean every lock needs replacing.