US location post office
ZIP Code 62921
- Zip Code: 62921
- Type: POBox
- Official USPS city name: Colp
- Official USPS State Code: IL
- Official State Name: Illinois
- ZCTA: TRUE
- Population: 332.0
- Density: 169.3
- Primary Official County Code: 17199
- Primary Official County Name: Williamson
- Official County Name: Williamson
- Official County Code: 17199
- Imprecise: FALSE
- Military: FALSE
- Timezone: America/Chicago (04:16 AM Sunday, June 07 2026-06-07 (GMT -0500))
- Geo Point: 37.80158, -89.08423
Map
Recent ZIP Others
Zip Codes by State
- Alabama
- Alaska
- American Samoa
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- District of Columbia
- Florida
- Georgia
- Guam
- Hawaii
- Idaho
- Indiana
- Iowa
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Minnesota
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- North Dakota
- Northern Mariana Islands
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Puerto Rico
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virgin Islands
- Virginia
- Washington
- West Virginia
- Wisconsin
- Wyoming