Area codes in Lancaster, California
Lancaster, California uses area code 661. The main Lancaster area code is 661.
Area codes serving Lancaster
All California area codes · Is a Lancaster call a scam?
Nearby cities
- Palmdale area codes
- Santa Clarita area codes
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- West Covina area codes
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of June 20, 2026. Refreshed monthly.