ZIP Code 51102 is located in Sioux City Iowa. 51102 is entirely within Woodbury County. Regionally, 51102 is located in the Sioux City Area.
| ZIP Code Name | Sioux City |
| Primary County | Woodbury County |
| ZIP Code Type | PO Box |
| Current Time | CDT |
| Coordinates | 42.49264145,-96.40196991 |
| Adjacent ZIP Codes | |
| Neighborhoods in 51102 | |
| Region | Sioux City Area |
| Metropolitan/Micropolitan Stat Area | Sioux City, IA-NE-SD |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |