ZIP code · Mechanicsburg · Pennsylvania · United States

ZIP code 17055 — Mechanicsburg

ZIP code 17055 serves Mechanicsburg, Pennsylvania.

Postal code
17055
Single source Value from one source, not cross-checked.
City
Mechanicsburg
County
Cumberland FIPS 42041
State
Pennsylvania
Country
United States
Coordinates
40.1790, -77.0036 — precision precise (locality)
View on OpenStreetMap
Population
41,416 (ZCTA, ACS 5-year)
Population density
1,056 / sq mi
Land area
39.2 sq mi (101.6 km²) (ZCTA, ACS 5-year)
Median household income
$95,542
Per-capita income
$53,014
Median age
41.9
Households
18,197
Housing units
18,994
Median home value
$266,400
Median gross rent
$1,320 / month
Congressional district
PA-10 (119th Congress)
USDA hardiness zone
7a (0 to 5 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/New_York (UTC−5 / UTC−4 DST)
Area codes
717, 223
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 88°F), coldest Jan (avg low 25°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F404353657583888579675544
Avg low °F252634435363676658473730
Precip in2.62.43.43.73.53.74.33.74.13.72.83.1

NOAA 1991–2020 climate normals from the nearest station: HARRISBURG CPTL CY AP (8.5 mi) · NOAA NCEI

Places in ZIP 17055

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page