Area codes in Harlingen, Texas

Harlingen, Texas uses area code 956. The main Harlingen area code is 956.

Area codes serving Harlingen

Phone numbers in Harlingen are written as ten digits — for example (956) 555-0190 — and fall in the Central Time zone.

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Nearby cities

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Frequently asked questions

What is the area code for Harlingen?

The main area code for Harlingen, Texas is 956.

How many area codes does Harlingen have?

Harlingen has 1 area code: 956.

How do you dial a Harlingen number?

Dial all 10 digits — the area code (956) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.

Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.