US United States Major Regions Postal Code Details
🏛️ Berkshire · Massachusetts
01220Adams
Adams berkshire massachusetts 01220 United States
01230Alford
Alford berkshire massachusetts 01230 United States
01201Allendale
Allendale berkshire massachusetts 01201 United States
01222Ashley Falls
Ashley Falls berkshire massachusetts 01222 United States
01263Assoc Of Marian Helpers
Assoc Of Marian Helpers berkshire massachusetts 01263 United States
01223Becket
Becket berkshire massachusetts 01223 United States
01223Becket Corners
Becket Corners berkshire massachusetts 01223 United States
01224Berkshire
Berkshire berkshire massachusetts 01224 United States
01230Berkshire Heights
Berkshire Heights berkshire massachusetts 01230 United States
01029Big Pond
Big Pond berkshire massachusetts 01029 United States
01225Cheshire
Cheshire berkshire massachusetts 01225 United States
01247Clarksburg
Clarksburg berkshire massachusetts 01247 United States
01253Cold Spring
Cold Spring berkshire massachusetts 01253 United States
01227Dalton
Dalton berkshire massachusetts 01227 United States
01343Drury
Drury berkshire massachusetts 01343 United States
01029East Otis
East Otis berkshire massachusetts 01029 United States
01270East Windsor
East Windsor berkshire massachusetts 01270 United States
01230Egremont
Egremont berkshire massachusetts 01230 United States
01247Florida
Florida berkshire massachusetts 01247 United States
01229Glendale
Glendale berkshire massachusetts 01229 United States
01230Great Barrington
Great Barrington berkshire massachusetts 01230 United States
01237Hancock
Hancock berkshire massachusetts 01237 United States
01230Hartsville
Hartsville berkshire massachusetts 01230 United States
01235Hinsdale
Hinsdale berkshire massachusetts 01235 United States
01236Housatonic
Housatonic berkshire massachusetts 01236 United States
01266Interlaken
Interlaken berkshire massachusetts 01266 United States
01224Lanesborough
Lanesborough berkshire massachusetts 01224 United States
01264Lee
Lee berkshire massachusetts 01264 United States
01240Lenox
Lenox berkshire massachusetts 01240 United States
01242Lenox Dale
Lenox Dale berkshire massachusetts 01242 United States
01263Marian Helpers
Marian Helpers berkshire massachusetts 01263 United States
01263Marion Fathers
Marion Fathers berkshire massachusetts 01263 United States
01244Mill River
Mill River berkshire massachusetts 01244 United States
01245Monterey
Monterey berkshire massachusetts 01245 United States
01258Mount Washington
Mount Washington berkshire massachusetts 01258 United States
01237New Ashford
New Ashford berkshire massachusetts 01237 United States
01230New Marlborough
New Marlborough berkshire massachusetts 01230 United States
01247North Adams
North Adams berkshire massachusetts 01247 United States
01252North Egremont
North Egremont berkshire massachusetts 01252 United States
01253North Otis
North Otis berkshire massachusetts 01253 United States
01253Otis
Otis berkshire massachusetts 01253 United States
01235Peru
Peru berkshire massachusetts 01235 United States
01203Pittsfield
Pittsfield berkshire massachusetts 01203 United States
01254Richmond
Richmond berkshire massachusetts 01254 United States
01230Risingdale
Risingdale berkshire massachusetts 01230 United States
01255Sandisfield
Sandisfield berkshire massachusetts 01255 United States
01256Savoy
Savoy berkshire massachusetts 01256 United States
01257Sheffield
Sheffield berkshire massachusetts 01257 United States
01223Sherwood Forest
Sherwood Forest berkshire massachusetts 01223 United States
01230Simons Rock
Simons Rock berkshire massachusetts 01230 United States
01258South Egremont
South Egremont berkshire massachusetts 01258 United States
01260South Lee
South Lee berkshire massachusetts 01260 United States
01255South Sandisfield
South Sandisfield berkshire massachusetts 01255 United States
01259Southfield
Southfield berkshire massachusetts 01259 United States
01263Stockbridge
Stockbridge berkshire massachusetts 01263 United States
01264Tyringham
Tyringham berkshire massachusetts 01264 United States
01230Van Deusenville
Van Deusenville berkshire massachusetts 01230 United States
01238W Becket
W Becket berkshire massachusetts 01238 United States
01223Washington
Washington berkshire massachusetts 01223 United States
01245West Otis
West Otis berkshire massachusetts 01245 United States
01266West Stockbridge
West Stockbridge berkshire massachusetts 01266 United States
01266West Stockbridge Center
West Stockbridge Center berkshire massachusetts 01266 United States
01267Williamstown
Williamstown berkshire massachusetts 01267 United States
01270Windsor
Windsor berkshire massachusetts 01270 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).
