| City: | Dallas, Texas |
| County: | Dallas County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 7:38:17 PM |
| Population: | No Population Data |
| Area Codes: | 214 / 469 / 945 / 972 |
| Classification: | PO Box |
| Coordinates: | 32.7803, -96.8100 |
| Quick Link: |
The single street delivery component links to Trinity Mills Road, where 213 delivery records center on a unit-based property. This arrangement is typical for PO Box ZIPs embedded within larger metropolitan areas, where the ZIP designation serves postal sorting efficiency rather than defining a distinct community boundary. Residents and businesses using 75370 addresses typically receive street delivery through neighboring Dallas ZIP codes while maintaining PO Box addresses for business registration, mail privacy, or package receipt convenience.
Trinity Mills Road is the sole street in this ZIP's delivery records, with all 213 records associated with unit-based addresses. This single-street pattern confirms the ZIP's role as a postal facility rather than a traditional neighborhood zone. The street name references the historic Trinity Mills area of North Dallas.
ZIP Code 75370 supports both business and residential activity. According to the Business Census (2024), there are 20 business establishments, employing about 39 people with an annual payroll of $3,158,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 928Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 20Source: CBP |
| 1st Quarter Payroll: | $661,000Source: CBP |
| Annual Payroll: | $3,158,000Source: CBP |
| # of Employees: | 39Source: CBP |
ZIP Code 75370 is located in Dallas County, Texas, within the Dallas-Fort Worth-Arlington, TX Metropolitan Statistical Area (CBSA 19100) and Texas's 4th Congressional District. This Metro area has a population of 7,807,555 people, about 0.00% of whom live in ZIP Code 75370, and is subdivided into the Dallas-Plano-Irving, TX division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Dallas-Fort Worth-Arlington, TXSource: Census |
| CBSA Number: | 19100Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Dallas-Plano-Irving, TX (CBSA Div 19124)Source: Census |
| CBSA Population: | 7,807,555Source: Census |
| MSA: | Dallas-Fort Worth, TX CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 04Source: USPS |
| Congressional Land Area: | 10122.99 sq miSource: Census |
| PMSA: | Dallas, TX PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4819000Source: Census |
| Place Name: | Dallas city; TexasSource: Census |
We could not locate which school district 75370 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.