The area code 223 is located in Lancaster, Pennsylvania.
Area code 223 serves Lancaster, Pennsylvania, and the wider south‑central region of the state as an overlay to the long‑standing 717 area code. Introduced in 2017, it helps meet demand for new phone numbers while keeping the same geographic footprint. This region is known for Lancaster County’s Amish Country, the Susquehanna River valley, and easy access to historic towns and state landmarks. If you see a 223 phone number, it’s local to this part of Pennsylvania (PA).
Major communities covered by the 223/717 overlay include:
These areas include key sights like the Pennsylvania State Capitol, Hersheypark, Lancaster Central Market, and Gettysburg National Military Park. Because 223 is an overlay, existing 717 numbers stayed the same, and new lines may get 223. Calling within the region now uses 10‑digit dialing.
Area code 223 arrived as the 717 supply neared exhaustion due to growth in mobile devices and businesses. You’ll find 223 and 717 side by side on local phones, businesses, and institutions across the region. “Mandatory 10‑digit dialing in the 717/223 region began August 26, 2017.” — Pennsylvania Public Utility Commission. For anyone searching caller ID or setting up service, 223 indicates a south‑central Pennsylvania number, centered on Lancaster and its neighboring cities.