Port Isabel, TX ZIP Codes, Coordinates & Counties
Port Isabel, Texas has 1 ZIP code in Cameron county. The approximate center of Port Isabel is 26.053, -97.318. Port Isabel has about 23,024 known street addresses.
ZIP codes in Port Isabel, TX
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 78578 | Cameron | 26.053 | -97.318 |
Counties Port Isabel spans
Cameron
Most common streets in Port Isabel
Shore, Jefferson, Madison, Monroe, Pennsylvania, Washington, Railroad, Houston, Polk, Marina
Frequently asked questions
What ZIP codes are in Port Isabel, TX?
Port Isabel, Texas has 1 ZIP code, ranging from 78578 to 78578. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Port Isabel, TX in?
Port Isabel is in Cameron county.
What are the latitude and longitude of Port Isabel, TX?
The approximate center of Port Isabel, Texas is latitude 26.053, longitude -97.318. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Port Isabel, TX have?
Port Isabel has 1 ZIP code.
How many addresses are in Port Isabel, TX?
Port Isabel, Texas has about 23,024 known street addresses in the sthan.io US address database.
What are the most common streets in Port Isabel, TX?
Some of the most common street names in Port Isabel are Shore, Jefferson, Madison, Monroe, Pennsylvania, Washington.
What cities are near Port Isabel, TX?
Cities near Port Isabel include Los Fresnos (8 mi), Brownsville (9 mi), Olmito (13 mi), South Padre Island (15 mi), Rio Hondo (18 mi).
Cities near Port Isabel
Los Fresnos, TX (8 mi) Brownsville, TX (9 mi) Olmito, TX (13 mi) South Padre Island, TX (15 mi) Rio Hondo, TX (18 mi) San Benito, TX (20 mi) Los Indios, TX (26 mi) Harlingen, TX (27 mi)
Need this for any US address, in code?
Get the ZIP code, county, and coordinates for any US address through the sthan.io API. Free 100 requests/month, no credit card required.
View the API →Last updated: June 2026 · Data: sthan.io US address database