County ZIP codes · Pennsylvania · FIPS 42041
Cumberland County, PA ZIP Codes
Cumberland County, Pennsylvania has 24 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 20 residential and 4 for PO boxes or a single organization. 17 of the residential ones lie mainly in Cumberland County and 3 mainly in a neighboring county; 8 cross the county line. Median household income ranges from $61,173 in 17043 (Lemoyne) to $117,130 in 17007 (Boiling Springs) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Cumberland County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $75,500 and $92,556.
They carry 18 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 20 residential ZIP codes in Cumberland County
17 ZIP codes lie mainly in Cumberland County; 3 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 17050 | Mechanicsburg | 43,571 | 1,245 | $114k | $373k | 100% |
| 17055 | Mechanicsburg | 42,006 | 1,071 | $99k | $285k | 88% |
| 17011 | Camp Hill | 39,664 | 3,032 | $93k | $278k | 94% |
| 17013 | Carlisle | 38,513 | 983 | $71k | $233k | 100% |
| 17257 | Shippensburg | 29,204 | 254 | $71k | $228k | 64% |
| 17015 | Carlisle | 24,385 | 220 | $87k | $298k | 100% |
| 17025 | Enola | 17,648 | 1,178 | $91k | $245k | 100% |
| 17241 | Newville | 11,181 | 100 | $76k | $220k | 100% |
| 17007 | Boiling Springs | 5,865 | 328 | $117k | $386k | 100% |
| 17043 | Lemoyne | 5,852 | 2,835 | $61k | $227k | 100% |
| 17324 | Gardners | 4,433 | 83 | $78k | $254k | 65% |
| 17065 | Mount Holly Springs | 4,389 | 292 | $86k | $211k | 100% |
| 17240 | Newburg | 3,241 | 67 | $91k | $256k | 61% |
| 17027 | Grantham | 2,801 | 5,038 | $87k | $252k | 100% |
| 17093 | Summerdale | 684 | 1,365 | $76k | $170k | 100% |
| 17266 | Walnut Bottom | 445 | 338 | $67k | $214k | 100% |
| 17081 | Plainfield | 248 | 384 | $74k | $182k | 100% |
Partly in Cumberland County
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
8 ZIP codes of Cumberland County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Cumberland | Elsewhere |
|---|---|---|
| 17055 | 88% | York County12% |
| 17011 | 94% | York County6% |
| 17257 | 64% | Franklin County36% |
| 17019 | 6% | York County92%; Adams County1% |
| 17070 | 13% | York County87% |
| 17307 | 9% | Adams County91% |
| 17324 | 65% | Adams County35% |
| 17240 | 61% | Franklin County39% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Cumberland County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Cumberland County's ZIP codes use 3 prefixes: 170, 172 and 173.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 170 | Harrisburg, PA (SCF 170) | 18 | 92 |
| 172 | Harrisburg, PA (SCF 170) | 4 | 52 |
| 173 | Harrisburg, PA (SCF 170) | 2 | 58 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.