ZIP Code 78551: Harlingen, TX
ZIP code 78551 is assigned to Harlingen in Cameron County, Texas. Its reference point is at latitude 26.2447 and longitude -97.7206 (26°14'40.9"N 97°43'14.2"W).
Location Overview of ZIP Code 78551
Harlingen has 4 ZIP codes in our directory, and Cameron County has 21.
Texas has 2,742 ZIP codes listed in total.
The nearest listed ZIP code is 78535 in Combes, about 1.3 mi to the west.
| ZIP code | 78551 |
|---|---|
| Place | Harlingen |
| County | Cameron County |
| State | Texas |
| Country | United States |
| Latitude | 26.2447 |
| Longitude | -97.7206 |
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Map of ZIP Code 78551
Map centred on 26.2447, -97.7206. The pin marks the ZIP code's reference point, not its boundary.
Photos of Harlingen, Texas
Video: Harlingen, Texas
Top 10 Best Things to Do in Harlingen, Texas - Travel Guide 2025 — by DoTravel · Watch on YouTube
ZIP Codes Near 78551
These 11 ZIP codes have the closest reference points to 78551, measured in a straight line.
Nearby Cities and Towns
The closest places to ZIP code 78551, measured in a straight line from its reference point. Road distances will be longer.
- Combes – 1.3 mi west
- Santa Rosa – 6.6 mi west
- La Feria – 8.5 mi southwest
- Sebastian – 8.9 mi northwest
- San Benito – 9.0 mi southeast
- Rio Hondo – 11 mi east
- Lozano – 12 mi east
- Lyford – 12 mi north
- La Villa – 13 mi west
- Santa Maria – 14 mi southwest
- Mercedes – 14 mi southwest
- Los Indios – 14 mi south
Schools Near Harlingen
If you are moving to ZIP code 78551, check with the education authority that serves Harlingen, Cameron County which schools cover your street address.
Looking at nearby areas such as Combes, Brownsville and Santa Rosa widens the choice of state, private and international schools. The links below open live Google Maps results centred on this location.
Parks and Outdoor Recreation
Use the map above to explore green space around Harlingen, then zoom out to find larger parks, trails and nature areas in the wider Texas area.
Hospitals and Healthcare
Hospitals, clinics and pharmacies serving Harlingen can be found with the searches below. In an emergency in the United States, call 911.
Residents may also use facilities in nearby Combes, Brownsville and Santa Rosa.
Shopping and Dining in Harlingen
For places to eat and shop near ZIP code 78551, the searches below show up-to-date listings around this location.
Libraries and Historical Places
Public libraries, museums and historic sites near Harlingen, Texas can be found with the searches below.
For local history, try the archives of Cameron County along with the name Harlingen.
Roads, Rivers and Lakes
From ZIP code 78551, Combes lies about 1.3 mi to the west, Brownsville lies about 4.7 mi to the southwest, Santa Rosa lies about 6.6 mi to the west, La Feria lies about 8.5 mi to the southwest and Sebastian lies about 8.9 mi to the northwest in a straight line. Use the directions link for routes and road names.
Rivers, lakes and coastline near Harlingen show up on the map above, or you can search for them directly.
Frequently Asked Questions About ZIP Code 78551
Photo & Video Credits
- Photo 1 (“Greetings from Harlingen, Texas - Large Letter Postcard (8201881913)”): Steve Shook from Moscow, Idaho, USA, CC BY 2.0, via Wikimedia Commons.
- Photo 2 (“C-46 478663 N53594 (6808377323)”): Paul Nelhams from Shannon, Ireland, CC BY-SA 2.0, via Wikimedia Commons.
- Photo 3 (“N15797 (7109591373)”): Paul Nelhams from Shannon, Ireland, CC BY-SA 2.0, via Wikimedia Commons.
- Photo 4 (“N67921 (6808376261)”): Paul Nelhams from Shannon, Ireland, CC BY-SA 2.0, via Wikimedia Commons.
- Photo 5 (“Greetings from the Lower Rio Grande Valley, Texas - Large Letter Postcard (4236963919)”): Steve Shook from Moscow, Idaho, USA, CC BY 2.0, via Wikimedia Commons.
- Video: “Top 10 Best Things to Do in Harlingen, Texas - Travel Guide 2025” by DoTravel, embedded from YouTube. All rights belong to the creator.
Photos are shown from their original source under the licenses listed. They were taken near this location and may show neighbouring areas.
Data for ZIP code 78551 comes from GeoNames and is provided for general reference. Always confirm mailing details with the U.S. Postal Service (USPS).