| City: | Austin, Texas |
| County: | Travis County |
| Timezone: | Central (GMT -06:00)%> |
| Local Time: | 9:52:01 AM |
| Population: | No Population Data |
| Area Code: | 512 |
| Classification: | PO Box |
| Coordinates: | 30.2667, -97.7428 |
| Quick Link: |
ZIP 78763 serves as a PO Box facility within Austin's West Austin area, specifically in the Tarrytown neighborhood. The post office maintains 481 PO Boxes that serve both local residents and 381 businesses despite minimal street delivery infrastructure. This ZIP is geographically nested within the larger 78703 ZIP code, functioning as a dedicated postal service point rather than a standalone residential area.
The facility's single street address on Spring Lane handles all 74 carrier route records, concentrating mail operations in one location. This arrangement is common in established urban areas where PO Box service supplements standard residential delivery. The post office has operated since before October 2004, serving the upscale Tarrytown and broader West Austin community where many businesses and residents prefer the security and flexibility of PO Box delivery over standard mailbox service.
Located in General West Austin and specifically within the Tarrytown area, this postal facility serves one of Austin's more established neighborhoods. The nearby Windsor Road and Old Enfield neighborhoods lie within half a mile, creating a connected network of West Austin communities that use this postal service point.
With 381 business accounts and only 481 total PO Boxes, this facility has an unusually high commercial concentration. Businesses account for roughly 79% of the box holders, indicating the ZIP primarily serves as a commercial mail hub rather than residential postal service. The 24 business establishments with 210 employees documented in the area suggest small professional offices and service businesses dominate the customer base.
Spring Lane is the only street associated with this ZIP's carrier routes, with all 74 delivery records listing unit-based addresses. This single-street configuration confirms the ZIP's role as a specialized postal facility rather than a geographic area with distributed residential delivery. Residents living in the surrounding Tarrytown area typically receive home delivery through the parent 78703 ZIP code.
The single street address on Spring Lane confirms this ZIP's function as a dedicated PO Box facility rather than a residential delivery area. All carrier routes concentrate at one location, typical of urban postal annexes that provide box service within larger ZIP code areas.
ZIP Code 78763 supports both business and residential activity. According to the Business Census (2024), there are 24 business establishments, employing about 210 people with an annual payroll of $10,175,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 853Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 24Source: CBP |
| 1st Quarter Payroll: | $2,083,000Source: CBP |
| Annual Payroll: | $10,175,000Source: CBP |
| # of Employees: | 210Source: CBP |
ZIP Code 78763 is located in Travis County, Texas, within the Austin-Round Rock-San Marcos, TX Metropolitan Statistical Area (CBSA 12420) and Texas's 37th Congressional District. This Metro area has a population of 1,716,289 people, about 0.00% of whom live in ZIP Code 78763. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Austin-Round Rock-San Marcos, TXSource: Census |
| CBSA Number: | 12420Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 1,716,289Source: Census |
| MSA: | Austin-San Marcos, TX MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 37Source: USPS |
| Congressional Land Area: | 0 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4805000Source: Census |
| Place Name: | Austin city; TexasSource: Census |
We could not locate which school district 78763 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.