Detailed information about ZIP code 51537 located in Harlan, Iowa. This postal code covers standard areas with a population of 5,729 residents.
The ZIP code 51537 is part of the USPS (United States Postal Service) system serving the Harlan area. This code ensures efficient mail delivery and geographic organization within Iowa.

Detailed information about ZIP code 51537 located in Harlan, Iowa. This postal code covers standard areas with a population of 5,729 residents.
The ZIP code 51537 is part of the USPS (United States Postal Service) system serving the Harlan area. This code ensures efficient mail delivery and geographic organization within Iowa.
| City | Name | Zip Code | Type | Population |
|---|---|---|---|---|
| Harlan, IA | PRIMARY | 51537 | STANDARD | 5.729 |
| Tennant, IA | ACCEPTABLE | 51537 | STANDARD | 5.729 |