BIRKBECK Zip Code (IL)
The Zipcode for Birkbeck is . Birkbeck is in Dewitt, Illinois in the Great Lakes region of the USA. It is located about 44 miles northeast of IL's capital city of Springfield.
61727
- Barnett Township, Clinton, Clintonia Township, Hallsville, Harp Township, Jenkins, Midland City, Ospur, South Clinton, Texas Township
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