Gas stations in O Fallon, MO
12 gas stations listed in O Fallon, Missouri. 12 with a phone number and 12 with a website.
O Fallon accounts for 0.4% of the gas stations listed in Missouri.
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Quick answer
O Fallon, MO has 12 gas stations listed on USA Business Search. 12 list a phone number and 12 list a website. The most listings are in ZIP codes 63366, 63368.
Updated October 2026Phillips 66
Phillips 66
Phillips 66
BP
Mobil
Phillips 66
Phillips 66
Phillips 66
Phillips 66
Phillips 66
FastLane
How to choose a gas station in O Fallon
- Ask for a written estimate before any work starts, and approval before extra repairs.
- Ask what warranty covers parts and labor.
- Keep your old parts or ask to see them if a repair seems expensive.
Check the business: confirm a company's registration with the state in our Missouri business lookup guide, and licensed trades in the contractor license lookup guide.
Common questions
How many gas stations are listed in O Fallon, Missouri?
USA Business Search shows 12 gas stations in O Fallon. 12 list a phone number and 12 list a website.
Which ZIP codes do these listings cover?
They include ZIP codes 63366, 63368.
How do I choose a gas station in O Fallon?
Ask for a written estimate before any work starts, and approval before extra repairs. Ask what warranty covers parts and labor. Keep your old parts or ask to see them if a repair seems expensive. Check the license or registration through the Missouri business lookup guide.
How do I add or fix a listing?
Listings are free. Use Add your business, or the Claim or fix link on any listing.
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