County ZIP codes · New York · FIPS 36105
Sullivan County, NY ZIP Codes
Sullivan County, New York has 63 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 62 residential and 1 for PO boxes or a single organization. 52 of the residential ones lie mainly in Sullivan County and 10 mainly in a neighboring county; 16 cross the county line. Median household income ranges from $57,222 in 12701 (Monticello) to $112,831 in 12566 (Pine Bush) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Sullivan 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 $67,624 and $87,080.
They carry 62 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 62 residential ZIP codes in Sullivan County
52 ZIP codes lie mainly in Sullivan County; 10 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 12701 | Monticello | 12,197 | 200 | $57k | $203k | 100% |
| 12754 | Liberty | 8,296 | 293 | $68k | $224k | 100% |
| 12721 | Bloomingburg | 7,359 | 298 | $103k | $291k | 69% |
| 12790 | Wurtsboro | 4,537 | 88 | $79k | $209k | 100% |
| 12758 | Livingston Manor | 4,025 | 26 | $69k | $170k | 71% |
| 12788 | Woodbourne | 3,037 | 137 | $63k | $271k | 100% |
| 12775 | Rock Hill | 2,623 | 193 | $113k | $398k | 100% |
| 12789 | Woodridge | 2,594 | 163 | $72k | $171k | 89% |
| 12747 | Hurleyville | 2,234 | 130 | $72k | $337k | 100% |
| 12779 | South Fallsburg | 2,205 | 328 | $48k | $287k | 100% |
| 12723 | Callicoon | 1,923 | 57 | $77k | $236k | 100% |
| 12733 | Fallsburg | 1,865 | 503 | $56k | – | 100% |
| 12764 | Narrowsburg | 1,861 | 31 | $68k | $266k | 100% |
| 12759 | Loch Sheldrake | 1,619 | 410 | $42k | – | 100% |
| 12748 | Jeffersonville | 1,518 | 64 | $87k | $243k | 100% |
| 12737 | Glen Spey | 1,513 | 43 | $88k | $290k | 100% |
| 12751 | Kiamesha Lake | 1,407 | 542 | $54k | $160k | 100% |
| 12719 | Barryville | 1,339 | 79 | $80k | $329k | 100% |
| 12726 | Cochecton | 1,168 | 35 | $77k | $377k | 100% |
| 12783 | Swan Lake | 1,060 | 33 | $68k | $248k | 100% |
| 12734 | Ferndale | 950 | 68 | $57k | $383k | 100% |
| 12785 | Westbrookville | 917 | 67 | $140k | $240k | 78% |
| 12763 | Mountain Dale | 890 | 63 | $56k | $263k | 97% |
| 12765 | Neversink | 873 | 78 | – | $377k | 100% |
| 12768 | Parksville | 857 | 26 | $35k | $295k | 100% |
| 12732 | Eldred | 776 | 29 | $50k | $246k | 100% |
| 12791 | Youngsville | 763 | 211 | $75k | $193k | 100% |
| 12778 | Smallwood | 707 | 411 | $51k | $171k | 100% |
| 12777 | Forestburgh | 695 | 16 | $138k | $354k | 100% |
| 12786 | White Lake | 610 | 36 | – | $173k | 100% |
| 12766 | North Branch | 535 | 57 | – | $419k | 100% |
| 12720 | Bethel | 447 | 49 | $67k | $424k | 100% |
| 12738 | Glen Wild | 423 | 206 | $96k | $392k | 100% |
| 12749 | Kauneonga Lake | 419 | 193 | $175k | $171k | 100% |
| 12762 | Mongaup Valley | 394 | 43 | $87k | – | 100% |
| 12769 | Phillipsport | 325 | 77 | $142k | $358k | 100% |
| 12752 | Lake Huntington | 309 | 200 | – | $403k | 100% |
| 12743 | Highland Lake | 279 | 37 | $86k | $271k | 100% |
| 12742 | Harris | 253 | 111 | $148k | $328k | 100% |
| 12741 | Hankins | 222 | 24 | $69k | $381k | 100% |
| 12787 | White Sulphur Springs | 192 | 76 | $43k | $457k | 100% |
| 12781 | Summitville | 177 | 61 | – | $438k | 100% |
| 12792 | Yulan | 163 | 38 | – | $269k | 100% |
| 12767 | Obernburg | 156 | 76 | – | $473k | 100% |
| 12736 | Fremont Center | 145 | 48 | $44k | $154k | 100% |
| 12770 | Pond Eddy | 145 | 41 | $109k | $392k | 100% |
| 12724 | Callicoon Center | 60 | 12 | – | $358k | 100% |
| 12483 | Spring Glen | 45 | 37 | <$2,500 | – | 76% |
| 12750 | Kenoza Lake | 33 | 11 | – | – | 100% |
| 12745 | Hortonville | 20 | 17 | – | – | 100% |
| 12722 | Burlingham | no residents | 0 | – | – | 100% |
| 12784 | Thompsonville | no residents | 0 | – | – | 100% |
Partly in Sullivan County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 12729 | Cuddebackville | 1,203 | 54 | $67k | $330k | 46% |
| 12776 | Roscoe | 2,073 | 18 | $84k | $248k | 39% |
| 12740 | Grahamsville | 1,732 | 24 | $104k | $298k | 37% |
| 12760 | Long Eddy | 367 | 8 | $91k | $261k | 21% |
| 12725 | Claryville | 403 | 6 | $91k | $361k | 21% |
| 12566 | Pine Bush | 10,269 | 184 | $113k | $357k | 10% |
| 12458 | Napanoch | 3,074 | 78 | $65k | $201k | 7% |
| 12780 | Sparrow Bush | 2,346 | 95 | $75k | $222k | 6% |
| 10963 | Otisville | 3,842 | 291 | $83k | $347k | 5% |
| 10940 | Middletown | 53,611 | 849 | $87k | $337k | 4% |
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?
16 ZIP codes of Sullivan County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Sullivan | Elsewhere |
|---|---|---|
| 10940 | 4% | Orange County 96% |
| 12566 | 10% | Ulster County 56%; Orange County 33% |
| 12721 | 69% | Orange County 31% |
| 12758 | 71% | Ulster County 28% |
| 10963 | 5% | Orange County 95% |
| 12458 | 7% | Ulster County 93% |
| 12789 | 89% | Ulster County 11% |
| 12780 | 6% | Orange County 94% |
| 12776 | 39% | Delaware County 61% |
| 12740 | 37% | Ulster County 63% |
| 12729 | 46% | Orange County 54% |
| 12785 | 78% | Orange County 22% |
| 12763 | 97% | Ulster County 3% |
| 12725 | 21% | Ulster County 79% |
| 12760 | 21% | Delaware County 79% |
| 12483 | 76% | Ulster County 24% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 12727 | Cochecton Center |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Sullivan County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Sullivan County's ZIP codes use 4 prefixes: 109, 124, 125 and 127.
| Prefix | Sectional center | Here | All codes |
|---|---|---|---|
| 109 | Westchester, NY (SCF 105) | 2 | 65 |
| 124 | Mid-Hudson, NY (SCF 125) | 2 | 83 |
| 125 | Mid-Hudson, NY (SCF 125) | 1 | 74 |
| 127 | Mid-Hudson, NY (SCF 125) | 58 | 60 |
58 of the 60 ZIP codes that start with 127 are Sullivan County's, all sorted at Mid-Hudson, NY (SCF 125). The other 2 are 12746 (Huguenot), 12771 (Port Jervis).
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.