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Mercer ZIP Codes — Illinois (IL)
| City or Location | County or District | States or Territories | States or Territories Abbrieviation | ZIP Code or Postcode |
|---|---|---|---|---|
| Aledo | Mercer | Illinois | IL | 61231 |
| Joy | Mercer | Illinois | IL | 61260 |
| Matherville | Mercer | Illinois | IL | 61263 |
| New Boston | Mercer | Illinois | IL | 61272 |
| Preemption | Mercer | Illinois | IL | 61276 |
| Sherrard | Mercer | Illinois | IL | 61281 |
| Alexis | Mercer | Illinois | IL | 61412 |
| Keithsburg | Mercer | Illinois | IL | 61442 |
| New Windsor | Mercer | Illinois | IL | 61465 |
| North Henderson | Mercer | Illinois | IL | 61466 |
| Seaton | Mercer | Illinois | IL | 61476 |
| Viola | Mercer | Illinois | IL | 61486 |
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