Area codes in Buffalo, New York
Buffalo, New York uses 2 area codes — 716 and 624. The main Buffalo area code is 716.
Area codes serving Buffalo
Phone numbers in Buffalo are written as ten digits — for example (716) 555-0190 — and fall in the Eastern Time zone.
How Buffalo came to have 2 area codes
The original Buffalo area code is 716, 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: 624 (2023). Existing numbers kept their original code — an overlay never forces anyone to change their number — which is why Buffalo now uses all 2 codes and every local call is dialed with ten digits.
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Nearby cities
- Hamilton area codes
- Oakville area codes
- Toronto area codes
- Rochester area codes
- Oshawa area codes
- Brampton area codes
- Erie area codes
- Guelph area codes
More cities in New York
- New York City area codes
- Brooklyn area codes
- Albany area codes
- Syracuse area codes
- Queens area codes
- Staten Island area codes
- Ithaca area codes
- Binghamton area codes
Frequently asked questions
What is the area code for Buffalo?
The main area code for Buffalo, New York is 716. Buffalo is now served by 2 area codes in total: 716, 624.
How many area codes does Buffalo have?
Buffalo has 2 area codes: 716, 624.
Why does Buffalo have more than one area code?
As Buffalo used up the numbers available in its original area code (716, 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 Buffalo number?
Dial all 10 digits — the area code (716 or 624) 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.