ZIP code 85018 comprises an area of East Phoenix stretching from Thomas Road in the south to McDonald Drive in the north. The boundaries are somewhat complex, but on the west runs mainly along 32nd Street and on the east Jokake Drive and Invergordon Road.

It includes the south side of Camelback Mountain, Echo Canyon Park, Arizona Country Club, part of the Phoenician Golf Club, Arcadia Park, Kachina Park, G R Herberger Park and a large part of the citrus area known as Arcadia.