Crystal Lake, IL ZIP Codes
Crystal Lake, Illinois has 3 ZIP codes: 2 for street addresses ( and ) and 1 for PO boxes ().
Your street decides which one you use.
Which Crystal Lake ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Crystal Lake ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
60039 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Crystal Lake city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Crystal Lake ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 60012 | street delivery Crystal Lake |
| 60014 | street delivery Crystal Lake |
| 60039 | PO boxes at the Crystal Lake post office Crystal Lake |
ZIP codes from nearby towns that reach into Crystal Lake
- 60098, mailing town Woodstock, covers 5 percent of Crystal Lake
- 60156, mailing town Lake In The Hills, covers 2 percent of Crystal Lake
Why your mail may say Crystal Lake when you live outside it
Crystal Lake ZIP codes also cover Nunda Township, Algonquin Township and Prairie Grove, so a letter addressed to Crystal Lake can go to a home outside the city limits.
The reverse happens too: parts of Crystal Lake use 60098 and 60156, which mail under a neighboring town's name.
A ZIP code does not set your city, school district or tax. McHenry County property records show which city you are in.
Crystal Lake ZIP code questions
What is the main ZIP code for Crystal Lake?
60012, the ZIP code of the main Crystal Lake post office at 301 E Congress Pkwy.
Which Crystal Lake ZIP codes are for PO boxes only?
60039. Mail to it goes to boxes at the post office, not to street addresses.
What county is Crystal Lake in?
McHenry County.
ZIP codes for towns near Crystal Lake
More towns near Crystal Lake: Palatine, Schaumburg, Buffalo Grove, Hanover Park, Arlington Heights, Bartlett, St. Charles, Wheeling, Gurnee.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections