| City: | Hammond, Indiana |
| County: | Lake County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 8:59:59 PM |
| Population: | No Population Data |
| Area Code: | 219 |
| Classification: | PO Box |
| Coordinates: | 41.5835, -87.5003 |
| Quick Link: |
The post office operates within the larger Hammond postal infrastructure (ZIP 46320), where most street delivery occurs. Box adoption here reflects practical needs rather than geographic isolation. Some customers use boxes because their residences fall outside standard delivery zones. Others maintain boxes for business mail separation or privacy. The Sohl Avenue location processes mail for units spanning residential and commercial purposes, though no population is assigned specifically to 46325 itself.
The single street reference (Sohl) indicates this ZIP serves a centralized PO Box facility rather than a geographic area with multiple delivery routes.
ZIP Code 46325 supports both business and residential activity. According to the Business Census (2024), there are 9 business establishments, employing about 83 people with an annual payroll of $2,965,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 313Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 9Source: CBP |
| 1st Quarter Payroll: | $744,000Source: CBP |
| Annual Payroll: | $2,965,000Source: CBP |
| # of Employees: | 83Source: CBP |
ZIP Code 46325 is located in Lake County, Indiana, within the Chicago-Naperville-Elgin, IL-IN Metropolitan Statistical Area (CBSA 16980) and Indiana's 1st Congressional District. This Metro area has a population of 9,461,105 people, about 0.00% of whom live in ZIP Code 46325, and is subdivided into the Lake County-Porter County-Jasper County, IN division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Chicago-Naperville-Elgin, IL-INSource: Census |
| CBSA Number: | 16980Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Lake County-Porter County-Jasper County, IN (CBSA Div 29414)Source: Census |
| CBSA Population: | 9,461,105Source: Census |
| MSA: | Chicago-Gary-Kenosha, IL-IN-WI CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 01Source: USPS |
| Congressional Land Area: | 1157.02 sq miSource: Census |
| PMSA: | Gary, IN PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 1831000Source: Census |
| Place Name: | Hammond city; IndianaSource: Census |
We could not locate which school district 46325 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.