ZIP Codes in Broomfield, CO
Broomfield uses 3 ZIP codes, all in Broomfield, Jefferson Counties. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 3 Broomfield ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 80020 | standard | Broomfield | 54,201 |
| 80021 | standard | Jefferson | 36,555 |
| 80023 | standard | Broomfield | 27,143 |
Finding a ZIP+4 in Broomfield
Knowing which of these 3 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 Broomfield street almost always have different ZIP+4 codes even though they share all five leading digits.
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