ZIP Code 03804 is located in Portsmouth Maine. 03804 is entirely within York County. Regionally, it is located in the Portland-Auburn Area.
| ZIP Code Name | Portsmouth |
| Primary County | York County |
| ZIP Code Type | PO Box |
| Current Time | EDT |
| Coordinates | 43.08270645,-70.74321747 |
| Adjacent ZIP Codes | |
| Region | Portland-Auburn Area |
| Metropolitan/Micropolitan Stat Area | Portland-South Portland, ME |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |