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You can find ZIP codes by city or state using our search tool. Just enter the city or state name, and you'll see all related ZIP codes instantly.

What is a ZIP+4 code?

A ZIP+4 code adds four digits to the basic five-digit ZIP code. It helps the USPS deliver mail more precisely to specific addresses or buildings.

Are ZIP codes the same as postal codes?

ZIP codes are the U.S. version of postal codes, used by the USPS to identify delivery areas. Other countries use postal codes with different formats.

All ZIP Codes for Harlingen Texas – Postal Code Lookup

Harlingen ZIP Code

The city of Harlingen is assigned specific ZIP Code(s) by the United States Postal Service (USPS) to make mail delivery accurate and efficient. A ZIP Code in Harlingen helps identify the correct postal area, ensuring that letters, parcels, and packages reach the right neighborhood or post office without delay. For residents, businesses, and visitors, knowing the correct Harlingen ZIP Code is important not only for mailing purposes but also for location-based services, navigation, and demographic reference.

Harlingen

Post Office	Harlingen
Division	Cameron
Pincode	78550

Harlingen

Post Office	Harlingen
Division	Cameron
Pincode	78552

Harlingen

Post Office	Harlingen
Division	Cameron
Pincode	78551

Harlingen

Post Office	Harlingen
Division	Cameron
Pincode	78553

Total Post Office (4) Page 1 of 1

Zip Codes in Harlingen, Texas

Zip Code list in Cameron for your selected city Harlingen is shown below. Use these ZIP Codes to ensure accurate mail delivery, business operations, or location reference.

About Harlingen, Texas ZIP Codes

Harlingen is located in Cameron County, Texas. The United States Postal Service (USPS) assigns multiple ZIP Codes in this region to simplify mail distribution, navigation, and address identification. Each ZIP Code in Harlingen covers a specific neighborhood or area, which is important for residents, businesses, and government offices. Having the correct ZIP Code ensures smooth delivery of letters, online orders, and official documents.

Why Knowing the ZIP Code is Important?

Ensures accurate and timely mail delivery
Helps businesses and eCommerce platforms verify addresses
Useful for demographic research and census data
Required for utilities, banking, and government services

Frequently Asked Questions (FAQs) about Harlingen ZIP Codes

The primary ZIP Code for Harlingen, Texas depends on the specific neighborhood. Use our list above to find the correct code.

Harlingen has multiple ZIP Codes covering different areas of the city. Check the table above for the complete list.

You can use our ZIP Code lookup tool by selecting the city, county, and state to locate the right code for your address.

All ZIP Codes in Harlingen are assigned and managed by the United States Postal Service (USPS) for accurate mail sorting and delivery.

Yes, in many cases a single ZIP Code can cover more than one neighborhood or locality in Harlingen to simplify mail distribution.

ZIP Codes usually remain stable for decades, but USPS may introduce new codes or adjust boundaries when population grows or new delivery routes are added in Harlingen.