Find the last 4 digits (ZIP+4) for an address in 78374

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ZIP Code 78374 – Portland, TX

Portland, Texas · San Patricio County · Central time

ZIP code78374
CityPortland
StateTexas
CountySan Patricio County
Population20,408
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area18.54 sq mi
Center (lat, long)27.8854, -97.3002

Area codes in this area

361

These are the area codes that most often serve ZIP 78374 (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

78359 Gregory · 3.1 mi78362 Ingleside · 6.7 mi78335 Aransas Pass · 7.1 mi78427 Corpus Christi · 8.3 mi78460 Corpus Christi · 8.3 mi78336 Aransas Pass · 8.4 mi78401 Corpus Christi · 8.6 mi78402 Corpus Christi · 8.8 mi

About ZIP 78374

ZIP code 78374 is assigned to Portland, Texas. It lies in San Patricio County. Its Census area covers about 18.54 square miles of land. The closest neighboring ZIP is 78359 (Gregory), about 3.1 miles away.

Every address in 78374 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