Colby, KS zip code
Colby, Kansas uses one zip code: 67701. Most of it is in Thomas County. Together these zip codes are home to about 6.1K people.
Zip codes
1
Population
6.1K
All zips combined
Largest zip
67701
6,134 residents
Zip codes in Colby
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 67701 | 6,134 | $70,250 |