Area codes in Killeen, Texas

Killeen, Texas uses area code 254. The main Killeen area code is 254.

Area codes serving Killeen

Phone numbers in Killeen are written as ten digits — for example (254) 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 Killeen?

The main area code for Killeen, Texas is 254.

How many area codes does Killeen have?

Killeen has 1 area code: 254.

How do you dial a Killeen number?

Dial all 10 digits — the area code (254) 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.