ZIP Code 77377 – Tomball, TX
Tomball, Texas · Harris County · Central time
| ZIP code | 77377 |
|---|---|
| City | Tomball |
| State | Texas |
| County | Harris County |
| Population | 41,680 |
| Time zone | Central · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 35.24 sq mi |
| Center (lat, long) | 30.0599, -95.6722 |
Area codes in this area
These are the area codes that most often serve ZIP 77377 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Map
Nearby ZIP codes
About ZIP 77377
ZIP code 77377 is assigned to Tomball, Texas. It lies in Harris County. Its Census area covers about 35.24 square miles of land. The closest neighboring ZIP is 77429 (Cypress), about 4.4 miles away.
Every address in 77377 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources