ZIP Codes in Greeley, CO
Greeley uses 2 ZIP codes, all in Weld County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 2 Greeley ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 80631 | standard | Weld | 53,722 |
| 80634 | standard | Weld | 65,622 |
Finding a ZIP+4 in Greeley
Knowing which of these 2 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 Greeley 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 Greeley addresses and download it complete.