County ZIP codes · New York · FIPS 36049
Lewis County, NY ZIP Codes
Lewis County, New York has 25 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 23 residential and 2 for PO boxes or a single organization. 16 of the residential ones lie mainly in Lewis County and 7 mainly in a neighboring county; 11 cross the county line. Median household income ranges from $50,806 in 13433 (Port Leyden) to $74,767 in 13309 (Boonville) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Lewis 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 $60,735 and $67,873.
They carry 23 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 23 residential ZIP codes in Lewis County
16 ZIP codes lie mainly in Lewis County; 7 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 13367 | Lowville | 8,601 | 19 | $68k | $171k | 64% |
| 13620 | Castorland | 2,298 | 62 | $70k | $182k | 100% |
| 13648 | Harrisville | 2,236 | 13 | $61k | $118k | 57% |
| 13626 | Copenhagen | 2,202 | 25 | $65k | $179k | 86% |
| 13327 | Croghan | 2,009 | 14 | $67k | $181k | 100% |
| 13433 | Port Leyden | 1,686 | 30 | $51k | $131k | 100% |
| 13343 | Glenfield | 1,606 | 28 | $71k | $164k | 100% |
| 13368 | Lyons Falls | 1,129 | 47 | $62k | $129k | 100% |
| 13473 | Turin | 982 | 24 | $104k | $172k | 100% |
| 13325 | Constableville | 918 | 9 | $59k | $144k | 100% |
| 13489 | West Leyden | 576 | 18 | $89k | $189k | 100% |
| 13665 | Natural Bridge | 465 | 13 | $51k | $142k | 81% |
| 13305 | Beaver Falls | 403 | 350 | – | $106k | 100% |
| 13312 | Brantingham | 228 | 3 | $72k | $331k | 100% |
| 13345 | Greig | 217 | 40 | $49k | $136k | 100% |
| 13404 | Martinsburg | 159 | 96 | – | $93k | 100% |
Partly in Lewis County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 13619 | Carthage | 10,578 | 94 | $63k | $179k | 46% |
| 13316 | Camden | 6,063 | 36 | $67k | $162k | 29% |
| 13309 | Boonville | 5,825 | 40 | $75k | $205k | 26% |
| 13437 | Redfield | 254 | 3 | $48k | $91k | 24% |
| 13471 | Taberg | 2,806 | 35 | $71k | $120k | 19% |
| 13682 | Rodman | 854 | 25 | $80k | $229k | 7% |
| 13601 | Watertown | 36,839 | 262 | $59k | $173k | 6% |
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?
11 ZIP codes of Lewis County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Lewis | Elsewhere |
|---|---|---|
| 13601 | 6% | Jefferson County 94% |
| 13619 | 46% | Jefferson County 54% |
| 13367 | 64% | Herkimer County 36% |
| 13316 | 29% | Oneida County 68%; Oswego County 3% |
| 13309 | 26% | Oneida County 74% |
| 13471 | 19% | Oneida County 81% |
| 13648 | 57% | St. Lawrence County 43% |
| 13626 | 86% | Jefferson County 14% |
| 13682 | 7% | Jefferson County 93% |
| 13665 | 81% | Jefferson County 19% |
| 13437 | 24% | Oswego County 76% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 13627 | Deer River |
| 13631 | Denmark |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Lewis County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Lewis County's ZIP codes use 3 prefixes: 133, 134 and 136.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 133 | Syracuse, NY (SCF 130) | 10 | 55 |
| 134 | Syracuse, NY (SCF 130) | 6 | 68 |
| 136 | Syracuse, NY (SCF 130) | 9 | 88 |
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.