Harlan, IN ZIP Codes, Coordinates & Counties
Harlan, Indiana has 1 ZIP code in Allen county. The approximate center of Harlan is 41.215, -84.851. Harlan has about 15,060 known street addresses.
ZIP codes in Harlan, IN
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 46743 | Allen | 41.215 | -84.851 |
Counties Harlan spans
Allen
Most common streets in Harlan
Allen, State Road 37, State Line, 2nd, Roberts, Water, Sunset, Dean, Hood, Maple
Frequently asked questions
What ZIP codes are in Harlan, IN?
Harlan, Indiana has 1 ZIP code, ranging from 46743 to 46743. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Harlan, IN in?
Harlan is in Allen county.
What are the latitude and longitude of Harlan, IN?
The approximate center of Harlan, Indiana is latitude 41.215, longitude -84.851. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Harlan, IN have?
Harlan has 1 ZIP code.
How many addresses are in Harlan, IN?
Harlan, Indiana has about 15,060 known street addresses in the sthan.io US address database.
What are the most common streets in Harlan, IN?
Some of the most common street names in Harlan are Allen, State Road 37, State Line, 2nd, Roberts, Water.
What cities are near Harlan, IN?
Cities near Harlan include Grabill (5 mi), Spencerville (5 mi), Woodburn (6 mi), Antwerp (6 mi), Saint Joe (7 mi).
Cities near Harlan
Grabill, IN (5 mi) Spencerville, IN (5 mi) Woodburn, IN (6 mi) Antwerp, OH (6 mi) Saint Joe, IN (7 mi) Hicksville, OH (9 mi) Leo, IN (10 mi) New Haven, IN (11 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database