First three digits · Kentucky
ZIP Codes Starting with
47 ZIP codes start with 403, sorted at the Lexington, KY (SCF 403) sectional center (USPS labeling list L005, effective October 1, 2026) in Kentucky: 40 residential ZIP codes across 17 counties and 7 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 403 mean?
The first digit, 4, is one of ten national areas (Indiana, Kentucky, Michigan and Ohio). The first three, 403, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 403 to the Lexington, KY (SCF 403) facility. The last two digits pick the delivery area. By residents, the largest town names among the 403 ZIP codes are Georgetown, Nicholasville, Winchester, Versailles, Lawrenceburg and Mount Sterling.
The same facility sorts 6 prefixes, 159 ZIP codes in all: 403, 404, 405, 406, 413, 414.
Where are the 403 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 403
| County | ||||||
|---|---|---|---|---|---|---|
| 40310 | Burgin | Mercer County | 471 | 828 | $57k | $127k |
| 40311 | Carlisle | Nicholas County | 7,672 | 45 | $61k | $130k |
| 40312 | Clay City | Powell County | 5,994 | 105 | $43k | $145k |
| 40313 | Clearfield | Rowan County | 2,832 | 102 | $65k | $116k |
| 40316 | Denniston | Menifee County | 389 | 44 | $22k | $59k |
| 40317 | Elliottville | Rowan County | PO Box or unique | – | – | – |
| 40319 | Farmers | Rowan County | PO Box or unique | – | – | – |
| 40322 | Frenchburg | Menifee County | 3,238 | 29 | $53k | $139k |
| 40324 | Georgetown | Scott County | 53,406 | 344 | $85k | $289k |
| 40328 | Gravel Switch | Marion County | 963 | 16 | $45k | $96k |
| 40330 | Harrodsburg | Mercer County | 21,250 | 96 | $64k | $200k |
| 40334 | Hope | Bath County | no residents | 0 | – | – |
| 40336 | Irvine | Estill County | 12,718 | 61 | $46k | $122k |
| 40337 | Jeffersonville | Montgomery County | 5,244 | 93 | $54k | $153k |
| 40339 | Keene | Jessamine County | 346 | 2,813 | $131k | $115k |
| 40340 | Nicholasville | Jessamine County | PO Box or unique | – | – | – |
| 40342 | Lawrenceburg | Anderson County | 23,963 | 129 | $74k | $225k |
| 40346 | Means | Menifee County | 819 | 43 | $31k | – |
| 40347 | Midway | Woodford County | 3,960 | 97 | $85k | $354k |
| 40348 | Millersburg | Bourbon County | 625 | 1,025 | $42k | $105k |
| 40350 | Moorefield | Nicholas County | 73 | 5 | – | – |
| 40351 | Morehead | Rowan County | 22,322 | 83 | $52k | $167k |
| 40353 | Mount Sterling | Montgomery County | 22,725 | 161 | $57k | $184k |
| 40355 | New Liberty | Owen County | 514 | 46 | – | $233k |
| 40356 | Nicholasville | Jessamine County | 45,849 | 329 | $75k | $268k |
| 40357 | North Middletown | Bourbon County | 81 | 2,132 | $12k | $95k |
| 40358 | Olympia | Bath County | 1,012 | 59 | $92k | $220k |
| 40359 | Owenton | Owen County | 6,989 | 32 | $63k | $170k |
| 40360 | Owingsville | Bath County | 7,595 | 51 | $55k | $126k |
| 40361 | Paris | Bourbon County | 18,361 | 71 | $63k | $233k |
| 40362 | Paris | Bourbon County | PO Box or unique | – | – | – |
| 40363 | Perry Park | Owen County | 9 | 429 | – | – |
| 40366 | Preston | Bath County | PO Box or unique | – | – | – |
| 40370 | Sadieville | Scott County | 2,836 | 35 | $94k | $284k |
| 40371 | Salt Lick | Bath County | 2,525 | 33 | $63k | $148k |
| 40372 | Salvisa | Mercer County | 2,090 | 39 | $74k | $230k |
| 40374 | Sharpsburg | Bath County | 2,562 | 42 | $44k | $115k |
| 40376 | Slade | Powell County | 18 | 2 | – | – |
| 40379 | Stamping Ground | Scott County | 3,788 | 58 | $62k | $241k |
| 40380 | Stanton | Powell County | 7,100 | 58 | $38k | $135k |
| 40383 | Versailles | Woodford County | 24,793 | 166 | $85k | $313k |
| 40384 | Versailles | Woodford County | PO Box or unique | – | – | – |
| 40385 | Waco | Madison County | 2,233 | 49 | $63k | $195k |
| 40387 | Wellington | Menifee County | 1,948 | 28 | $45k | $123k |
| 40390 | Wilmore | Jessamine County | 7,429 | 301 | $74k | $246k |
| 40391 | Winchester | Clark County | 36,796 | 155 | $64k | $205k |
| 40392 | Winchester | Clark County | PO Box or unique | – | – | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.