County ZIP codes · Maine · FIPS 23005
Cumberland County, ME ZIP Codes
Cumberland County, Maine has 52 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 38 residential and 14 for PO boxes or a single organization. 1 of the residential ones extends into a neighboring county. Median household income ranges from $57,218 in 04040 (Harrison) to $172,468 in 04021 (Cumberland Center) (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 $82,751 and $110,216.
They carry 35 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 38 residential ZIP codes in Cumberland County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 04103 | Portland | 32,024 | 3,131 | $90k | $460k | 100% |
| 04106 | South Portland | 27,019 | 2,225 | $86k | $439k | 100% |
| 04074 | Scarborough | 23,076 | 484 | $135k | $557k | 100% |
| 04011 | Brunswick | 22,336 | 478 | $75k | $376k | 100% |
| 04092 | Westbrook | 20,775 | 1,209 | $85k | $383k | 100% |
| 04062 | Windham | 19,188 | 411 | $108k | $389k | 100% |
| 04101 | Portland | 18,431 | 9,088 | $64k | $618k | 100% |
| 04038 | Gorham | 18,300 | 362 | $112k | $461k | 100% |
| 04102 | Portland | 17,267 | 2,881 | $83k | $504k | 100% |
| 04105 | Falmouth | 12,755 | 435 | $151k | $768k | 100% |
| 04107 | Cape Elizabeth | 9,656 | 650 | $146k | $730k | 100% |
| 04096 | Yarmouth | 9,053 | 675 | $110k | $640k | 100% |
| 04032 | Freeport | 8,802 | 253 | $107k | $508k | 100% |
| 04039 | Gray | 8,102 | 198 | $95k | $358k | 100% |
| 04084 | Standish | 7,900 | 180 | $109k | $351k | 100% |
| 04021 | Cumberland Center | 6,990 | 340 | $173k | $579k | 100% |
| 04260 | New Gloucester | 5,766 | 122 | $109k | $357k | 100% |
| 04009 | Bridgton | 5,478 | 97 | $78k | $317k | 100% |
| 04071 | Raymond | 4,971 | 134 | $89k | $414k | 100% |
| 04097 | North Yarmouth | 4,240 | 200 | $129k | $497k | 100% |
| 04079 | Harpswell | 4,026 | 189 | $92k | $612k | 100% |
| 04055 | Naples | 3,985 | 125 | $78k | $340k | 100% |
| 04015 | Casco | 3,696 | 118 | $69k | $356k | 100% |
| 04040 | Harrison | 3,050 | 49 | $57k | $256k | 54% |
| 04085 | Steep Falls | 2,762 | 182 | $92k | $289k | 100% |
| 04029 | Sebago | 2,086 | 63 | $78k | $300k | 100% |
| 04069 | Pownal | 1,696 | 74 | $104k | $437k | 100% |
| 04110 | Cumberland Foreside | 1,657 | 711 | $194k | $924k | 100% |
| 04066 | Orrs Island | 837 | 464 | $116k | $474k | 100% |
| 04108 | Peaks Island | 826 | 679 | $94k | $638k | 100% |
| 04091 | West Baldwin | 801 | 40 | $79k | $304k | 100% |
| 04017 | Chebeague Island | 555 | 155 | $68k | $651k | 100% |
| 04024 | East Baldwin | 356 | 24 | $53k | $238k | 100% |
| 04050 | Long Island | 249 | 174 | $91k | $551k | 100% |
| 04109 | Portland | 213 | 172 | – | $755k | 100% |
| 04003 | Bailey Island | 183 | 176 | $96k | $1.39M | 100% |
| 04057 | North Bridgton | 164 | 498 | – | – | 100% |
| 04019 | Cliff Island | 93 | 112 | $90k | $802k | 100% |
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?
1 ZIP code of Cumberland County extends into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Cumberland | Elsewhere |
|---|---|---|
| 04040 | 54% | Oxford County46% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 04013 | Bustins Island |
| 04033 | Freeport |
| 04034 | Freeport |
| 04070 | Scarborough |
| 04077 | South Casco |
| 04078 | South Freeport |
| 04082 | South Windham |
| 04098 | Westbrook |
| 04104 | Portland |
| 04112 | Portland |
| 04116 | South Portland |
| 04122 | Portland |
| 04123 | Portland |
| 04124 | Portland |
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: 040, 041 and 042.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 040 | Southern, ME (SCF 040) | 36 | 77 |
| 041 | Southern, ME (SCF 040) | 15 | 15 |
| 042 | Southern, ME (SCF 040) | 1 | 60 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.