Find the last 4 digits (ZIP+4) for an address in 77318

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ZIP Code 77318 – Willis, TX

Willis, Texas · Montgomery County · Central time

ZIP code77318
CityWillis
StateTexas
CountyMontgomery County
Population20,792
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area37.04 sq mi
Center (lat, long)30.4449, -95.5519

Area codes in this area

936

These are the area codes that most often serve ZIP 77318 (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

77304 Conroe · 8.4 mi77358 New Waverly · 9.4 mi77393 Spring · 9.6 mi77378 Willis · 10.2 mi77356 Montgomery · 10.7 mi77303 Conroe · 11.4 mi77301 Conroe · 11.9 mi77316 Montgomery · 12.5 mi

About ZIP 77318

ZIP code 77318 is assigned to Willis, Texas. It lies in Montgomery County. Its Census area covers about 37.04 square miles of land. The closest neighboring ZIP is 77304 (Conroe), about 8.4 miles away.

Every address in 77318 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