215 and 267 are the North American telephone area codes for the Commonwealth of Pennsylvania which serve its southeast corner, including the city of Philadelphia and its northern and eastern suburbs.
•
Given the rotary dialing technology in use at the time, the North American Numbering Plan Administrator wanted to keep the number of "clicks" to a minimum for large cities.
local government area | San Francisco Bay Area | Important Bird Area | Unincorporated area | Greater Toronto Area | Urban area | metropolitan area | New York metropolitan area | Bay Area Rapid Transit | urban area | European Economic Area | List of IOC country codes | Area 51 | Greater Los Angeles Area | Chicago metropolitan area | South Pacific Area | Schengen Area | American Viticultural Area | Wide Area Augmentation System | Special Protection Area | Local area network | local area network | Delaware Water Gap National Recreation Area | Billings Metropolitan Area | San Francisco Bay area | Portland metropolitan area | Local Government Area | Free Trade Area of the Americas | Elizabethtown metropolitan area | East Bay (San Francisco Bay Area) |