Area codes in Lancaster, California

Lancaster, California uses area code 661. The main Lancaster area code is 661.

Area codes serving Lancaster

Phone numbers in Lancaster are written as ten digits — for example (661) 555-0190 — and fall in the Pacific Time zone.

All California area codes · Is a Lancaster call a scam?

Nearby cities

More cities in California

Frequently asked questions

What is the area code for Lancaster?

The main area code for Lancaster, California is 661.

How many area codes does Lancaster have?

Lancaster has 1 area code: 661.

How do you dial a Lancaster number?

Dial all 10 digits — the area code (661) 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.