Area codes in Harrisburg, Pennsylvania
Harrisburg, Pennsylvania uses 2 area codes — 717 and 223. The main Harrisburg area code is 717.
Area codes serving Harrisburg
Phone numbers in Harrisburg are written as ten digits — for example (717) 555-0190 — and fall in the Eastern Time zone.
How Harrisburg came to have 2 area codes
The original Harrisburg area code is 717, in service since 1947. As the area ran low on available numbers, an overlay code was added over the same region for new phone lines: 223 (2017). Existing numbers kept their original code — an overlay never forces anyone to change their number — which is why Harrisburg now uses all 2 codes and every local call is dialed with ten digits.
All Pennsylvania area codes · Is a Harrisburg call a scam?
Nearby cities
- York area codes
- Lebanon area codes
- Hagerstown area codes
- Frederick area codes
- West Chester area codes
- Baltimore area codes
- Allentown area codes
- Altoona area codes
More cities in Pennsylvania
- Pittsburgh area codes
- Philadelphia area codes
- Erie area codes
- Scranton area codes
- Easton area codes
- Johnstown area codes
- Wilkes-Barre area codes
Frequently asked questions
What is the area code for Harrisburg?
The main area code for Harrisburg, Pennsylvania is 717. Harrisburg is now served by 2 area codes in total: 717, 223.
How many area codes does Harrisburg have?
Harrisburg has 2 area codes: 717, 223.
Why does Harrisburg have more than one area code?
As Harrisburg used up the numbers available in its original area code (717, in service since 1947), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.
How do you dial a Harrisburg number?
Dial all 10 digits — the area code (717 or 223) 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.