Call Naperville Locksmith for your free estimate today! When you need Naperville Locksmith Service we are your fast and affordable locksmith in Naperville Illinois We can help with rekeys, lock changes, new keys, transponder keys and more. We offer home, auto and business locksmith help. We also serve Schaumburg, Downers Grove, Oak Park and Oak Lawn, Illinois. Let us help keep your car, house and business secure. Dispatch Address: 1163 E Ogden Ave, Naperville, IL 60563