77221 ZIP Code — Houston, TX
Harris County, Texas
ZIP code 77221 is located in Houston, Texas, within Harris County. It covers approximately 0.00 square miles and serves a population of 0 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 832/713/281/346.
0
population
0.00
sq mi land
Standard
ZIP type
Central (CT)
timezone
77221 ZIP code map
Cities in ZIP code 77221
Below are the cities the US Postal Service accepts for ZIP code 77221. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Houston | Acceptable |
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 48 |
| County FIPS | 201 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 29.7632 |
| Longitude | -95.3633 |
| Timezone | Central (CT) |
| Area code | 832/713/281/346 |