Find the last 4 digits (ZIP+4) for an address in 78655

ZIP 78655, Martindale, TX is filled in. Just type the street address.

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ZIP Code 78655 – Martindale, TX

Martindale, Texas · Caldwell County · Central time

ZIP code78655
CityMartindale
StateTexas
CountyCaldwell CountyGuadalupe County
Population3,730
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area28.68 sq mi
Center (lat, long)29.8161, -97.8351

Area codes in this area

512737

These are the area codes that most often serve ZIP 78655 (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

78670 Staples · 3.6 mi78622 Fentress · 4.1 mi78656 Maxwell · 6.3 mi78661 Prairie Lea · 7.9 mi78666 San Marcos · 10 mi78644 Lockhart · 10.4 mi78638 Kingsbury · 11.2 mi78640 Kyle · 12.4 mi

About ZIP 78655

ZIP code 78655 is assigned to Martindale, Texas. It crosses 2 counties; most of its land is in Caldwell County. Its Census area covers about 28.68 square miles of land. The closest neighboring ZIP is 78670 (Staples), about 3.6 miles away.

Every address in 78655 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