County ZIP codes · New Hampshire · FIPS 33003
Carroll County, NH ZIP Codes
Carroll County, New Hampshire has 31 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 30 residential and 1 for PO boxes or a single organization. 29 of the residential ones lie mainly in Carroll County and 1 mainly in a neighboring county; 1 cross the county line. Median household income ranges from $56,951 in 03813 (Center Conway) to $109,583 in 03872 (Sanbornville) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Carroll 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 $66,136 and $96,439.
They carry 30 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 30 residential ZIP codes in Carroll County
29 ZIP codes lie mainly in Carroll County; 1 more reaches into it from a neighboring county and follows the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 03894 | Wolfeboro | 6,554 | 139 | $94k | $549k | 100% |
| 03254 | Moultonborough | 5,172 | 86 | $106k | $641k | 100% |
| 03872 | Sanbornville | 4,438 | 85 | $110k | $334k | 100% |
| 03813 | Center Conway | 4,273 | 43 | $57k | $252k | 100% |
| 03818 | Conway | 3,805 | 45 | $77k | $325k | 100% |
| 03860 | North Conway | 3,693 | 159 | $72k | $402k | 100% |
| 03814 | Center Ossipee | 2,324 | 70 | $77k | $326k | 100% |
| 03864 | Ossipee | 2,131 | 53 | $105k | $328k | 100% |
| 03882 | Effingham | 1,912 | 51 | $77k | $323k | 100% |
| 03886 | Tamworth | 1,618 | 47 | $75k | $368k | 100% |
| 03816 | Center Tuftonboro | 1,538 | 58 | $89k | $427k | 100% |
| 03836 | Freedom | 1,494 | 43 | $66k | $389k | 100% |
| 03849 | Madison | 1,465 | 66 | $96k | $390k | 100% |
| 03227 | Center Sandwich | 1,388 | 27 | $147k | $452k | 100% |
| 03830 | East Wakefield | 1,381 | 146 | $100k | $353k | 100% |
| 03845 | Intervale | 1,173 | 100 | $57k | – | 100% |
| 03812 | Bartlett | 1,116 | 19 | – | $348k | 100% |
| 03817 | Chocorua | 1,066 | 133 | – | $382k | 100% |
| 03875 | Silver Lake | 1,005 | 61 | $116k | $371k | 100% |
| 03838 | Glen | 983 | 43 | $68k | $407k | 100% |
| 03846 | Jackson | 897 | 14 | $118k | $719k | 100% |
| 03853 | Mirror Lake | 656 | 76 | $104k | $572k | 100% |
| 03832 | Eaton Center | 501 | 21 | $79k | $377k | 100% |
| 03850 | Melvin Village | 324 | 113 | $101k | $428k | 100% |
| 03259 | North Sandwich | 252 | 8 | $85k | $397k | 100% |
| 03883 | South Tamworth | 233 | 13 | $68k | $363k | 100% |
| 03890 | West Ossipee | 164 | 100 | – | – | 100% |
| 03847 | Kearsarge | 87 | 106 | – | – | 100% |
| 03897 | Wonalancet | 8 | 3 | – | – | 100% |
Partly in Carroll County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 03887 | Union | 1,739 | 92 | $92k | $293k | 5% |
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 Carroll County extends into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Carroll | Elsewhere |
|---|---|---|
| 03887 | 5% | Strafford County95% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 03896 | Wolfeboro Falls |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Carroll County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Carroll County's ZIP codes use 2 prefixes: 032 and 038.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.