Mount Kisco New York ZIP Codes
Mount Kisco holds a single ZIP code.
Every ZIP code in Mount Kisco
| ZIP code | County |
|---|---|
| 10549 | Westchester County |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Mount Kisco codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Mount Kisco. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.
How these codes cluster
Every Mount Kisco ZIP code begins 105. Those first three digits identify the sectional center facility that processes mail for this part of New York. Statewide that range covers 66 ZIP codes, so Mount Kisco accounts for 2% of it.
Every New York ZIP prefix and the region it covers →
Area codes covering Mount Kisco
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The code below serves the same ground Mount Kisco occupies.
Mount Kisco New York area codes in full →
Where Mount Kisco's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Mount Kisco
| City | Distance | ZIP codes |
|---|---|---|
| Katonah New York ZIP codes | 4.3 mi | 1 ZIP code |
| Pleasantville New York ZIP codes | 5.5 mi | 1 ZIP code |
| Briarcliff Manor New York ZIP codes | 7.5 mi | 1 ZIP code |
| Ossining New York ZIP codes | 8.1 mi | 1 ZIP code |
| Elmsford New York ZIP codes | 11 mi | 1 ZIP code |
| Haverstraw New York ZIP codes | 11 mi | 1 ZIP code |
| Peekskill New York ZIP codes | 12 mi | 1 ZIP code |
| Tarrytown New York ZIP codes | 12 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.