ZIP Codes in Springfield, IL
Springfield uses 8 ZIP codes, all in Sangamon County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 8 Springfield ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 62701 | standard | Sangamon | 1,205 |
| 62702 | standard | Sangamon | 31,033 |
| 62703 | standard | Sangamon | 28,922 |
| 62704 | standard | Sangamon | 40,046 |
| 62706 | standard | Sangamon | — |
| 62707 | standard | Sangamon | 7,472 |
| 62711 | standard | Sangamon | 18,559 |
| 62712 | standard | Sangamon | 10,045 |
Finding a ZIP+4 in Springfield
Knowing which of these 8 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Springfield street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
Upload a CSV of Springfield addresses and download it complete.