Find the last 4 digits (ZIP+4) for an address in 77456

ZIP 77456, Markham, TX is filled in. Just type the street address.

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ZIP Code 77456 – Markham, TX

Markham, Texas · Matagorda County · Central time

ZIP code77456
CityMarkham
StateTexas
CountyMatagorda County
Population1,394
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area39.57 sq mi
Center (lat, long)28.9274, -96.0897

Area codes in this area

979

These are the area codes that most often serve ZIP 77456 (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

77440 Elmaton · 4.2 mi77404 Bay City · 8.2 mi77458 Midfield · 10 mi77419 Blessing · 10.5 mi77432 Danevang · 11.2 mi77414 Bay City · 12.3 mi77482 Van Vleck · 16 mi77483 Wadsworth · 16.6 mi

About ZIP 77456

ZIP code 77456 is assigned to Markham, Texas. It lies in Matagorda County. Its Census area covers about 39.57 square miles of land. The closest neighboring ZIP is 77440 (Elmaton), about 4.2 miles away.

Every address in 77456 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