Middletown, ILZIP code 62666 encompasses the small town of Mason City, Illinois. This area is known for its rural charm and historic buildings such as the Mason City National Bank Building, which is listed on the National Register of Historic Places. Other notable landmarks in the area include the Mason City Limits Bar & Grill and the Mason City Park. |
ZIP code 62666Middletown, ILUnited StatesUS > IL > Logan County > 62666 Daylight Saving:
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