Caldwell Idaho is covered by a total of 3 ZIP Codes. There are also 2 ZIP Codes that overlap Caldwell but have a different postal city name. The ZIP Codes in Caldwell range from 83605 to 83687. Of the ZIP codes within or partially within Caldwell there are 2 Standard ZIP Codes and 1 PO Box ZIP Codes. The total population of ZIP Codes in Caldwell is 73814.
Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Caldwell and can be turned on and off. Each type of postal code can also be turned on and off.
| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Caldwell | Standard | |||
| Caldwell | PO Box | |||
| Caldwell | Standard | |||
| Nampa | Standard | |||
| Nampa | Standard |