| City: | Austin, Texas |
| Names to Avoid: | Internal Revenue Service |
| County: | Travis County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 3:29:03 PM |
| Population: | No Population Data |
| Area Codes: | 512 / 737 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 30.2197, -97.7473 |
| Quick Link: |
The Internal Revenue Service operates a major submission processing center under dedicated ZIP code 73301 in Austin, Texas. Located in the Parker Lane neighborhood of the East Riverside-Oltorf area, this facility handles tax return processing, ITIN applications, and taxpayer correspondence for a large regional area. The IRS has maintained this exclusive postal designation for over two decades.
The 0.13-square-mile footprint encompasses the IRS facility on Interstate 35, where Census Business Patterns data shows 33 establishments employing 982 workers. Postal records include 5 delivery codes routing to the Internal Revenue Service Center. Census demographic data is unavailable, consistent with the facility's purely governmental function. Austin serves as the valid mailing city for tax-related correspondence to this processing center.
| Establishments: | 33 |
| Employment: | 982 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 73301 supports both business and residential activity. According to the Business Census (2023), there are 41 business establishments, employing about 908 people with an annual payroll of $59,889,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 0Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 41Source: CBP |
| 1st Quarter Payroll: | $15,517,000Source: CBP |
| Annual Payroll: | $59,889,000Source: CBP |
| # of Employees: | 908Source: CBP |
ZIP Code 73301 is located in Travis County, Texas, within the Austin-Round Rock-San Marcos, TX Metropolitan Statistical Area (CBSA 12420) and Texas's 35th Congressional District. This Metro area has a population of 2,357,497 people, about 0.00% of whom live in ZIP Code 73301. 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: | 2,357,497Source: Census |
| MSA: | Austin-San Marcos, 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: | 4805000Source: Census |
| Place Name: | Austin city; TexasSource: Census |
We could not locate which school district 73301 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 January 1, 2026.