ZIP Code 77227 in Houston, TX

Data Last Updated: January 1, 2026
City:Houston, Texas
County:Harris County
Timezone:Central (GMT -06:00)
Local Time:8:17:29 PM
Population:No Population Data
Area Codes:281 / 346 / 621 / 713 / 832
Classification:PO Box
Coordinates:29.7632, -95.3633
Quick Link:
https://www.zip-codes.com/zip-code/77227/zip-code-77227.asp

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77227 Houston, TX - Business Mail Hub

ZIP Code 77227, Houston

Small Town Unique ZIP No Census Data
LocationHarris County, TX
Area0 sq mi Single Point
Delivery Points743 (355 businesses)
PO Boxes388
ZIP CreatedBefore Oct 2004
Enclosed InZIP Code 77027
Key Facts
  • This ZIP has zero residential population and serves exclusively as a business mail facility in central Houston.
  • The post office maintains 388 PO Boxes and serves 355 business delivery points.
  • All street records point to one location on Timmons Lane, confirming this is a single-building operation.
  • ZIP 77227 is a point location with no geographic territory, enclosed within standard ZIP 77027.
  • This isn't a PO Box Only Zone. Street delivery is available throughout the surrounding area via neighboring ZIP codes.

Commercial Post Office Location

ZIP code 77227 serves a commercial post office location in Houston's Greenway-Upper Kirby district. It isn't a residential area. The ZIP has zero population and no households because it exists solely to serve business mail operations. With 388 PO Boxes and 355 business delivery points, this ZIP functions as a business mail hub within the larger Houston postal network.

Single-Building Operation

All 113 street-type records point to a single address: Timmons Lane. The building uses UNIT designations for mail sorting, indicating a multi-tenant commercial property. This single-building setup explains why the ZIP was classified as a PO Box type. Rather than covering geographic territory, 77227 is a point location enclosed within standard ZIP 77027.

Why Businesses Use This ZIP

The post office here operates with one city carrier route alongside the PO Box operation. Businesses choose this location for a dedicated Houston mailing address separate from their physical office location. Many companies use PO Box addresses for consistency when they move offices or want to maintain a prestigious Houston address without publishing a street location.

Delivery Options

This isn't a PO Box Only Zone. Street delivery exists through the surrounding ZIP codes. The 77227 designation simply provides a specialized postal option for businesses that prefer PO Box service in this central Houston location.

Street Name Patterns

Single Building Business Complex

Single commercial address with UNIT designations for multi-tenant mail delivery.

Nearby Areas

Greenway - Upper Kirby Central Houston Cityscape Apts Park St John Condo Sutton Court

Business & Employment Statistics


ZIP Code 77227 supports both business and residential activity. According to the Business Census (2024), there are 14 business establishments, employing about 502 people with an annual payroll of $20,789,000.

# Residential Mailboxes:0Source: USPS
# Business Mailboxes:0Source: USPS
Total Delivery Receptacles:725Source: USPS
Single Family Delivery Units:0Source: USPS
Multi Family Delivery Units:0Source: USPS
# of Businesses:14Source: CBP
1st Quarter Payroll:$5,133,000Source: CBP
Annual Payroll:$20,789,000Source: CBP
# of Employees:502Source: CBP

Geography, Land Area, & Statistical Classifications


ZIP Code 77227 is located in Harris County, Texas, within the Houston-Pasadena-The Woodlands, TX Metropolitan Statistical Area (CBSA 26420) and Texas's 7th Congressional District. This Metro area has a population of 7,274,714 people, about 0.00% of whom live in ZIP Code 77227. 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:07Source: USPS
Congressional Land Area:161.94 sq miSource: Census
PMSA:Houston, TX PMSASource: Census
Intro Date:< 2004-10Source: ZIP-Codes.com
Place FIPS Code:4835000Source: Census
Place Name:Houston city; TexasSource: Census

Adjacent & Nearby ZIP Codes


77228 | | 77226

Schools in ZIP Code 77227


We could not locate which school district 77227 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.

Harris County Juvenile Detention Center 1200 Congress St Ste 6500
Houston, TX 77002
District: UnknownNearby
School For Accelerated Lrn 1310 Prairie Ste 1080
Houston, TX 77002
District: Spring Independent School DistrictNearby
Kinder H S For Performing And Visual Arts 790 Austin St
Houston, TX 77002
District: Houston Independent School DistrictNearby
Young Scholars Academy For Excellence 1809 Louisiana St
Houston, TX 77002
District: Houston Independent School DistrictNearby
Leonel Castillo Early Childhood Stem Academy 2101 S St
Houston, TX 77009
District: UnknownNearby
Cathedral House Episcipol School 1112 Prairie St
Houston, TX 77002
District: Private SchoolNearby
Incarnate Word Academy 609 Crawford St
Houston, TX 77002
District: Private SchoolNearby
Creme De La Creme 1400 San Jacinto St
Houston, TX 77002
District: Private SchoolNearby

Colleges & Post Secondary Schools near ZIP Code 77227


University Of Houston-Downtown 1 Main Street
Houston, TX 77002-1014
Type: Post Secondary
South Texas College Of Law Houston 1303 San Jacinto Street
Houston, TX 77002-7006
Type: Post Secondary
Houston Community College 3100 Main Street
Houston, TX 77002
Type: Post Secondary
Houston School Of Carpentry 3522 Polk St
Houston, TX 77003
Type: Post Secondary
University Of St Thomas 3800 Montrose Blvd
Houston, TX 77006-4696
Type: Post Secondary
Texas Southern University 3100 Cleburne St
Houston, TX 77004
Type: Post Secondary

Sources & References


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.

  1. U.S. Postal Service [Last Updated: 1/1/2026], https://www.usps.com
  2. ZIP-Codes.com Proprietary Data Enhancements [Updated: 1/1/2026], https://www.zip-codes.com
  3. U.S. Census [Updated: Varies], https://www.census.gov
    • U.S. Census Office of Management and Budget [Updated: As Released]
    • U.S. Census 2020 Demographic & Housing Characteristics (DHC) [Decennial] [Updated: 5/25/2023]
    • U.S. Census 2011-2024 American Community Survey 5-year estimates (ACS) [Annually] [Updated: Annually, As Released]
    • U.S. Census Business Patterns (CBD) [Annually] [Updated: Annually, As Released]
    • U.S. Census American National Standards Institute (ANSI) [Updated: As Released]
  4. U.S. Geological Survey [Updated: Varies], https://www.usgs.gov
  5. Centers for Medicare & Medicaid Services [Updated: Annually, As Released], https://www.cms.gov
  6. National Center for Education Statistics [Updated: 1/1/2026], https://nces.ed.gov