Area Code Lookup
What Area Code Is Philadelphia Zone 1?
3 area codes serve Philadelphia Zone 1 · Pennsylvania
Philadelphia Zone 1 is served by area codes 215, 267, 445. It is located in Pennsylvania.
Area Codes Serving Philadelphia Zone 1
Frequently Asked Questions
What area code is Philadelphia Zone 1?
Philadelphia Zone 1 is served by area codes 215, 267, 445. It is located in Pennsylvania.
Why does Philadelphia Zone 1 have multiple area codes?
As demand for phone numbers increased, NANPA added area codes through splits (dividing the region) or overlays (layering a new code over the same geography). Philadelphia Zone 1 now has 3 area codes — 215 and 267 and 445 — covering the same or overlapping areas.
How do I call Philadelphia Zone 1 from outside the US?
To call Philadelphia Zone 1 from abroad, dial +1 followed by the area code and 7-digit local number (e.g. +1-215-XXX-XXXX). The +1 is the country code for all NANPA countries.