ZIP Codes in Flagstaff, AZ
Flagstaff uses 5 ZIP codes, all in Coconino County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 5 Flagstaff ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 86001 | standard | Coconino | 37,312 |
| 86003 | standard | Coconino | 104 |
| 86004 | standard | Coconino | 36,394 |
| 86005 | standard | Coconino | 17,961 |
| 86011 | standard | Coconino | 4,019 |
Finding a ZIP+4 in Flagstaff
Knowing which of these 5 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 Flagstaff 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 Flagstaff addresses and download it complete.