Portland, TX ZIP Codes, Coordinates & Counties
Portland, Texas has 1 ZIP code in San Patricio county. The approximate center of Portland is 27.898, -97.378. Portland has about 48,518 known street addresses.
ZIP codes in Portland, TX
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 78374 | San Patricio | 27.898 | -97.378 |
Counties Portland spans
San Patricio
Most common streets in Portland
Moore, Lang, Memorial, Northshore, Austin, Elm, Broadway, Market, Houston, Railroad
Frequently asked questions
What ZIP codes are in Portland, TX?
Portland, Texas has 1 ZIP code, ranging from 78374 to 78374. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Portland, TX in?
Portland is in San Patricio county.
What are the latitude and longitude of Portland, TX?
The approximate center of Portland, Texas is latitude 27.898, longitude -97.378. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Portland, TX have?
Portland has 1 ZIP code.
How many addresses are in Portland, TX?
Portland, Texas has about 48,518 known street addresses in the sthan.io US address database.
What are the most common streets in Portland, TX?
Some of the most common street names in Portland are Moore, Lang, Memorial, Northshore, Austin, Elm.
What cities are near Portland, TX?
Cities near Portland include Gregory (6 mi), Taft (8 mi), Corpus Christi (11 mi), Ingleside (11 mi), Odem (14 mi).
Cities near Portland
Gregory, TX (6 mi) Taft, TX (8 mi) Corpus Christi, TX (11 mi) Ingleside, TX (11 mi) Odem, TX (14 mi) Aransas Pass, TX (15 mi) Sinton, TX (17 mi) Port Aransas, TX (18 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database