ZIP Code 74631 – Blackwell, OK
Blackwell, Oklahoma · Kay County · Central time
| ZIP code | 74631 |
|---|---|
| City | Blackwell |
| State | Oklahoma |
| County | Kay County |
| Population | 6,689 |
| Time zone | Central · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 103.38 sq mi |
| Center (lat, long) | 36.7992, -97.3039 |
Area codes in this area
These are the area codes that most often serve ZIP 74631 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Map
Nearby ZIP codes
About ZIP 74631
ZIP code 74631 is assigned to Blackwell, Oklahoma. It lies in Kay County. Its Census area covers about 103.38 square miles of land. The closest neighboring ZIP is 74646 (Nardin), about 7.8 miles away.
Every address in 74631 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources