MERCER, IL ZIP Code
| City | MERCER |
| State | Illinois |
| ZIP Codes count | 1 (see all) |
| Post offices count | 1 (see all) |
ZIP Code in MERCER, Illinois
61231 MERCER, IL is set as NOT ACCEPTABLE city name for ZIP Code 61231. Use ALEDO, IL for your mailing or form filling.
This list contains only 5-digit ZIP codes. Use our zip code lookup by address feature to get the full 9-digit (ZIP+4) code.
List of MERCER, IL ZIP Codes
| ZIP | CITY | STATE | TYPE | POPU |
|---|---|---|---|---|
| 61231 | ALEDO | IL | STANDARD | 5,096 |
Post offices
ALEDO — Post Office™ 117 N COLLEGE AVE ALEDO, IL 61231-9998 |
ZIP Codes for other locations
State for MERCER
Illinois ZIP CodesOther cities in Illinois