| City: | San Antonio, Texas |
| Names to Avoid: | City Public Serv Board |
| County: | Bexar County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 9:48:26 AM |
| Population: | No Population Data |
| Area Codes: | 210 / 726 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 29.4239, -98.4935 |
| Quick Link: |
CPS Energy, operating as the City Public Service Board, uses dedicated ZIP code 78289 for correspondence processing in San Antonio, Bexar County. On October 24, 1942, the City of San Antonio purchased the San Antonio Public Service Company for $34 million, transforming it into a municipally owned utility. This acquisition made every citizen of San Antonio an investor and direct benefactor of the utility now known as CPS Energy.
CPS Energy ranks as the nation's largest public power, natural gas, and electric company, serving more than 970,000 electric and 390,000 natural gas customers across San Antonio and portions of seven adjoining counties. The utility traces its origins to 1860 and achieved a notable milestone in 1882 when San Antonio's first light bulb illuminated Alamo Plaza, six months before Thomas Edison opened his first New York City power plant. One ZIP+4 delivery code routes correspondence through this designation. Census demographic data is not available. San Antonio is the valid mailing city, and the ZIP falls within Texas Congressional District 35.
| Residential: | 0 |
| Business: | 1 |
ZIP Code 78289 is assigned to a single organization or institution. Detailed business demographics are not published for unique ZIP Codes.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 78289 is located in Bexar County, Texas, within the San Antonio-New Braunfels, TX Metropolitan Statistical Area (CBSA 41700) and Texas's 35th Congressional District. This Metro area has a population of 2,142,508 people, about 0.00% of whom live in ZIP Code 78289. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | San Antonio-New Braunfels, TXSource: Census |
| CBSA Number: | 41700Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 2,142,508Source: Census |
| MSA: | San Antonio, TX MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 35Source: USPS |
| Congressional Land Area: | 593.77 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4865000Source: Census |
| Place Name: | San Antonio city; TexasSource: Census |
We could not locate which school district 78289 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.