| City: | Spring, Texas |
| City Alias: | Klein |
| County: | Harris County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 8:59:52 PM |
| Population: | No Population Data |
| Area Codes: | 281 / 832 |
| Classification: | PO Box |
| Coordinates: | 30.0476, -95.5324 |
| Quick Link: |
ZIP code 77391 serves a concentrated business district on Louetta Road in the Spring area of Harris County, Texas. This isn't a residential ZIP. With 449 PO Boxes, 363 business delivery points, and zero population, it functions as a commercial mail hub for the surrounding greater Houston metropolitan area.
The post office maintains both PO Box services and street delivery to a single business location on Louetta Road. All 71 street delivery records point to this one address, indicating a multi-tenant commercial facility with individual units. The ZIP Classification as PO Box reflects its original setup, but the facility now handles both business mail and PO Box services for local entrepreneurs and residents of nearby communities.
Spring itself receives standard street delivery through neighboring ZIP codes (77379 and other 773xx codes). ZIP 77391 serves as a specialized postal facility: businesses use it for PO Box addresses, and one commercial property receives unit-based delivery. The post office accepts mail addressed to both Spring and Klein, recognizing the overlapping community identities in this part of Harris County.
Eleven business establishments employ 51 workers in this ZIP, likely including the post office itself and businesses operating from the Louetta Road facility. The surrounding neighborhoods include Kleinwood, Placid Park, and Memorial Northwest, all part of Houston's northern suburban sprawl.
Mail to this ZIP can be addressed to either Spring or Klein. For PO Box holders, use:
PO Box [number]
Spring, TX 77391For the Louetta Road facility:
[Address] Louetta Rd Unit [number]
Spring, TX 77391All street delivery concentrates at one multi-unit commercial address on Louetta Road.
ZIP Code 77391 supports both business and residential activity. According to the Business Census (2024), there are 16 business establishments, employing about 65 people with an annual payroll of $1,788,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 10,413Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 16Source: CBP |
| 1st Quarter Payroll: | $424,000Source: CBP |
| Annual Payroll: | $1,788,000Source: CBP |
| # of Employees: | 65Source: CBP |
ZIP Code 77391 is located in Harris County, Texas, within the Houston-Pasadena-The Woodlands, TX Metropolitan Statistical Area (CBSA 26420) and Texas's 38th Congressional District. This Metro area has a population of 7,274,714 people, about 0.00% of whom live in ZIP Code 77391. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Houston-Pasadena-The Woodlands, TXSource: Census |
| CBSA Number: | 26420Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 7,274,714Source: Census |
| MSA: | Houston-Galveston-Brazoria, TX CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 38Source: USPS |
| Congressional Land Area: | 0 sq miSource: Census |
| PMSA: | Houston, TX PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4869596Source: Census |
| Place Name: | Spring CDP; TexasSource: Census |
We could not locate which school district 77391 belongs to, but we will update this once new district data is released. There are 0 public schools with a nearby mailing address, but we have located 5 public schools nearby. There are however 1 private school(s). 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.