| City: | Belmont, Texas |
| County: | Gonzales County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 9:50:22 AM |
| Population: | No Population Data |
| Area Code: | 830 |
| Classification: | PO Box |
| Coordinates: | 29.5233, -97.6838 |
| Quick Link: |
The ZIP code doesn't encompass a traditional residential area with measured land, instead functioning as a postal facility serving the surrounding region. Two businesses maintain addresses here, and the single named building in the ZIP+4 database lists the postmaster location. The rural route designation indicates scattered residences receive mail delivery, while the PO Boxes serve those who prefer centralized pickup or lack viable curbside delivery points.
The single street record centers on US Highway 90A, the main east-west corridor through this part of Gonzales County. This highway-oriented delivery pattern is common for small Texas communities that developed along major transportation routes.
ZIP Code 78604 supports both business and residential activity. According to the Business Census (2024), there are 3 business establishments, employing about 19 people with an annual payroll of $360,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 5,621Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 3Source: CBP |
| 1st Quarter Payroll: | $64,000Source: CBP |
| Annual Payroll: | $360,000Source: CBP |
| # of Employees: | 19Source: CBP |
ZIP Code 78604 is located in Gonzales County, Texas, within the Metropolitan Statistical Area (CBSA ) and Texas's 27th Congressional District. This area has a population of 0 people, about 0.00% of whom live in ZIP Code 78604. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | --Source: Census |
| CBSA Number: | --Source: Census |
| CBSA Type: | --Source: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 0Source: Census |
| MSA: | Source: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 27Source: USPS |
| Congressional Land Area: | 9128.25 sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | --Source: Census |
| Place Name: | --Source: Census |
We could not locate which school district 78604 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.