US United States Major Regions Postal Code Details
🏛️ Westchester · New York
10501Amawalk
Amawalk westchester new york 10501 United States
10502Ardsley
Ardsley westchester new york 10502 United States
10503Ardsley On Hudson
Ardsley On Hudson westchester new york 10503 United States
10504Armonk
Armonk westchester new york 10504 United States
10505Baldwin Place
Baldwin Place westchester new york 10505 United States
10506Bedford
Bedford westchester new york 10506 United States
10549Bedford Corners
Bedford Corners westchester new york 10549 United States
10507Bedford Hills
Bedford Hills westchester new york 10507 United States
10510Briarcliff
Briarcliff westchester new york 10510 United States
10510Briarcliff Manor
Briarcliff Manor westchester new york 10510 United States
10708Bronxville
Bronxville westchester new york 10708 United States
10511Buchanan
Buchanan westchester new york 10511 United States
10710Centuck
Centuck westchester new york 10710 United States
10514Chappaqua
Chappaqua westchester new york 10514 United States
10567Cortlandt Manor
Cortlandt Manor westchester new york 10567 United States
10517Crompond
Crompond westchester new york 10517 United States
10518Cross River
Cross River westchester new york 10518 United States
10520Croton
Croton westchester new york 10520 United States
10519Croton Falls
Croton Falls westchester new york 10519 United States
10521Croton On Hudson
Croton On Hudson westchester new york 10521 United States
10562Crotonville
Crotonville westchester new york 10562 United States
10521Crugers
Crugers westchester new york 10521 United States
10522Dobbs Ferry
Dobbs Ferry westchester new york 10522 United States
10533East Irvington
East Irvington westchester new york 10533 United States
10595East View
East View westchester new york 10595 United States
10604East White Plains
East White Plains westchester new york 10604 United States
10707Eastchester
Eastchester westchester new york 10707 United States
10583Edgemont
Edgemont westchester new york 10583 United States
10523Elmsford
Elmsford westchester new york 10523 United States
10552Fleetwood
Fleetwood westchester new york 10552 United States
10605Gedney
Gedney westchester new york 10605 United States
10526Goldens Bridge
Goldens Bridge westchester new york 10526 United States
10527Granite Springs
Granite Springs westchester new york 10527 United States
10607Greenburgh
Greenburgh westchester new york 10607 United States
10528Harrison
Harrison westchester new york 10528 United States
10530Hartsdale
Hartsdale westchester new york 10530 United States
10706Hastings On Hudson
Hastings On Hudson westchester new york 10706 United States
10532Hawthorne
Hawthorne westchester new york 10532 United States
10583Heathcote
Heathcote westchester new york 10583 United States
10533Irvington
Irvington westchester new york 10533 United States
10533Irvington On Hudson
Irvington On Hudson westchester new york 10533 United States
10535Jefferson Valley
Jefferson Valley westchester new york 10535 United States
10536Katonah
Katonah westchester new york 10536 United States
10562Kitchawan
Kitchawan westchester new york 10562 United States
10536Lake Katonah
Lake Katonah westchester new york 10536 United States
10590Lake Kitchawan
Lake Kitchawan westchester new york 10590 United States
10547Lake Mohegan
Lake Mohegan westchester new york 10547 United States
10538Larchmont
Larchmont westchester new york 10538 United States
10590Lewisboro
Lewisboro westchester new york 10590 United States
10540Lincolndale
Lincolndale westchester new york 10540 United States
10543Mamaroneck
Mamaroneck westchester new york 10543 United States
10545Maryknoll
Maryknoll westchester new york 10545 United States
10546Millwood
Millwood westchester new york 10546 United States
10547Mohegan Lake
Mohegan Lake westchester new york 10547 United States
10548Montrose
Montrose westchester new york 10548 United States
10549Mount Kisco
Mount Kisco westchester new york 10549 United States
10553Mount Vernon
Mount Vernon westchester new york 10553 United States
10805New Rochelle
New Rochelle westchester new york 10805 United States
10504North Castle
North Castle westchester new york 10504 United States
10560North Salem
North Salem westchester new york 10560 United States
10591North Tarrytown
North Tarrytown westchester new york 10591 United States
10603North White Plains
North White Plains westchester new york 10603 United States
10562Ossining
Ossining westchester new york 10562 United States
10566Peekskill
Peekskill westchester new york 10566 United States
10803Pelham
Pelham westchester new york 10803 United States
10803Pelham Manor
Pelham Manor westchester new york 10803 United States
10591Philipse Manor
Philipse Manor westchester new york 10591 United States
10570Pleasantville
Pleasantville westchester new york 10570 United States
10591Pocantico Hills
Pocantico Hills westchester new york 10591 United States
10573Port Chester
Port Chester westchester new york 10573 United States
10576Pound Ridge
Pound Ridge westchester new york 10576 United States
10577Purchase
Purchase westchester new york 10577 United States
10578Purdy Station
Purdy Station westchester new york 10578 United States
10578Purdys
Purdys westchester new york 10578 United States
10580Rye
Rye westchester new york 10580 United States
10573Rye Brook
Rye Brook westchester new york 10573 United States
10510Scarborough
Scarborough westchester new york 10510 United States
10530Scarsdale
Scarsdale westchester new york 10530 United States
10583Scarsdale Park
Scarsdale Park westchester new york 10583 United States
10576Scotts Corners
Scotts Corners westchester new york 10576 United States
10587Shenorock
Shenorock westchester new york 10587 United States
10588Shrub Oak
Shrub Oak westchester new york 10588 United States
10591Sleepy Hollow
Sleepy Hollow westchester new york 10591 United States
10591Sleepy Hollow Manor
Sleepy Hollow Manor westchester new york 10591 United States
10589Somers
Somers westchester new york 10589 United States
10589Somers Town
Somers Town westchester new york 10589 United States
10590South Salem
South Salem westchester new york 10590 United States
10591Tarrytown
Tarrytown westchester new york 10591 United States
10594Thornwood
Thornwood westchester new york 10594 United States
10707Tuckahoe
Tuckahoe westchester new york 10707 United States
10595Valhalla
Valhalla westchester new york 10595 United States
10596Verplanck
Verplanck westchester new york 10596 United States
10597Waccabuc
Waccabuc westchester new york 10597 United States
10604West Harrison
West Harrison westchester new york 10604 United States
10604Westchester County Airport
Westchester County Airport westchester new york 10604 United States
10604White Plains
White Plains westchester new york 10604 United States
10804Wykagyl
Wykagyl westchester new york 10804 United States
10706Yonkers
Yonkers westchester new york 10706 United States
10598Yorktown
Yorktown westchester new york 10598 United States
10598Yorktown Heights
Yorktown Heights westchester new york 10598 United States
📋 United States Address and Delivery Guidance
📮
Use a Complete Delivery Address:
Include the recipient name, building or street address, locality, region where applicable, postal code when the destination uses one, and the destination country or territory.
🌍
Follow Local Address Conventions:
Use the language, character set and address order requested by the recipient, official postal operator or carrier. Do not assume every destination uses the same postal-code format.
✅
Verify Before Dispatch:
Confirm the postal code, service coverage and any customs or carrier requirements with the recipient and the relevant official postal operator before shipping.
💡
Delivery Information Is Context-Specific:
Postal codes help routing only in territories that use them. Accurate recipient details remain essential for delivery in every destination.
Postal information, sources and verification
Use this page as a routing reference and confirm the complete address, postal code format and delivery restrictions with the relevant official postal operator or carrier before dispatch.
Editorial and service accountability
This postal-code reference is maintained by the 56ok.com logistics-content team for international shipping preparation. It is reviewed against publicly available postal-operator information; it is not an official postal authority and does not replace carrier or customs instructions.
This reference is maintained as postal and carrier information changes. Need a correction? Contact our team.
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📮United States Postal FAQ and delivery guidance
📮 What is the format of a US ZIP code?
Standard format is 5 digits (e.g., 10001). Extended format is ZIP+4 (9 digits like 10001-1234) with a hyphen.
🔍 How to find the ZIP code for an address?
Use the USPS ZIP Code Lookup tool by entering the full address on the official USPS website.
⚠️ What happens if I use a wrong ZIP code?
Mail may be delayed, returned, or lost. For important documents, use USPS tracking and verify the ZIP code.
🔄 Do ZIP codes ever change?
Yes, USPS may update ZIP codes due to regional adjustments. Always confirm your ZIP code after an address change.
📦 Is a ZIP code required for international mail to the US?
Absolutely. Always include the US ZIP code at the end of the address (e.g., New York, NY 10001 USA).
