Postal reference / United States
60056Mount Prospect, Illinois
ZIP code 60056 is a United States postal code for Mount Prospect, Illinois. Its county association is Cook County. The map reference point is at 42.0624, -87.9377.
- State / territory
- Illinois
- Recorded place name
- Mount Prospect
- County association
- Cook
- Estimated coordinate
- 42.0624, -87.9377
View on OpenStreetMap - ZIP prefix
- 600 · 82 ZIP codes share it
- Data source
- GeoNames postal reference, snapshot September 26, 2026
GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.
Area
- Land area
- 10.866 sq mi (2023 Census Gazetteer)
Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.
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Browse the other 1,574 ZIP codes recorded for Illinois, sorted by code with place and county.
Illinois directoryNearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 60005 | Arlington Heights | IL | Cook | 2.5 |
| 60006 | Arlington Heights | IL | Cook | 2.8 |
| 60016 | Des Plaines | IL | Cook | 2.9 |
| 60070 | Prospect Heights | IL | Cook | 3.0 |
| 60019 | Des Plaines | IL | Cook | 3.1 |
| 60017 | Des Plaines | IL | Cook | 3.2 |
| 60004 | Arlington Heights | IL | Cook | 4.0 |
| 60008 | Rolling Meadows | IL | Cook | 4.2 |
Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.
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