US United States Major Regions Postal Code Details
🏛️ Fairfield · Connecticut
06830Belle Haven
Belle Haven fairfield connecticut 06830 United States
06801Bethel
Bethel fairfield connecticut 06801 United States
06404Botsford
Botsford fairfield connecticut 06404 United States
06602Bridgeport
Bridgeport fairfield connecticut 06602 United States
06804Brookfield
Brookfield fairfield connecticut 06804 United States
06804Brookfield Center
Brookfield Center fairfield connecticut 06804 United States
06921Champion International
Champion International fairfield connecticut 06921 United States
06699Controlled Distribution
Controlled Distribution fairfield connecticut 06699 United States
06807Cos Cob
Cos Cob fairfield connecticut 06807 United States
06810Danbury
Danbury fairfield connecticut 06810 United States
06820Darien
Darien fairfield connecticut 06820 United States
06855East Norwalk
East Norwalk fairfield connecticut 06855 United States
06612Easton
Easton fairfield connecticut 06612 United States
06825Fairfield
Fairfield fairfield connecticut 06825 United States
06927GECC
GECC fairfield connecticut 06927 United States
06828General Electric
General Electric fairfield connecticut 06828 United States
06829Georgetown
Georgetown fairfield connecticut 06829 United States
06906Glenbrook
Glenbrook fairfield connecticut 06906 United States
06831Glenville
Glenville fairfield connecticut 06831 United States
06838Greens Farms
Greens Farms fairfield connecticut 06838 United States
06830Greenwich
Greenwich fairfield connecticut 06830 United States
06816Grolier Entrprz Inc
Grolier Entrprz Inc fairfield connecticut 06816 United States
06440Hawleyville
Hawleyville fairfield connecticut 06440 United States
06484Huntington
Huntington fairfield connecticut 06484 United States
06857Mbi Inc
Mbi Inc fairfield connecticut 06857 United States
06468Monroe
Monroe fairfield connecticut 06468 United States
06840New Canaan
New Canaan fairfield connecticut 06840 United States
06812New Fairfield
New Fairfield fairfield connecticut 06812 United States
06470Newtown
Newtown fairfield connecticut 06470 United States
06820Noroton
Noroton fairfield connecticut 06820 United States
06820Noroton Heights
Noroton Heights fairfield connecticut 06820 United States
06851Norwalk
Norwalk fairfield connecticut 06851 United States
06870Old Greenwich
Old Greenwich fairfield connecticut 06870 United States
06926Pitney Bowes Inc
Pitney Bowes Inc fairfield connecticut 06926 United States
06673Promotion Marketing Ser Inc
Promotion Marketing Ser Inc fairfield connecticut 06673 United States
06879Promotion Systems Inc
Promotion Systems Inc fairfield connecticut 06879 United States
06888Promotional Dev Inc
Promotional Dev Inc fairfield connecticut 06888 United States
06896Redding
Redding fairfield connecticut 06896 United States
06875Redding Center
Redding Center fairfield connecticut 06875 United States
06876Redding Ridge
Redding Ridge fairfield connecticut 06876 United States
06879Ridgefield
Ridgefield fairfield connecticut 06879 United States
06905Ridgeway
Ridgeway fairfield connecticut 06905 United States
06878Riverside
Riverside fairfield connecticut 06878 United States
06853Rowayton
Rowayton fairfield connecticut 06853 United States
06482Sandy Hook
Sandy Hook fairfield connecticut 06482 United States
06880Saugatuck
Saugatuck fairfield connecticut 06880 United States
06858Setan Industries
Setan Industries fairfield connecticut 06858 United States
06860Shared Zip For Brm
Shared Zip For Brm fairfield connecticut 06860 United States
06484Shelton
Shelton fairfield connecticut 06484 United States
06784Sherman
Sherman fairfield connecticut 06784 United States
06854South Norwalk
South Norwalk fairfield connecticut 06854 United States
06890Southport
Southport fairfield connecticut 06890 United States
06907Springdale
Springdale fairfield connecticut 06907 United States
06905Stamford
Stamford fairfield connecticut 06905 United States
06468Stepney
Stepney fairfield connecticut 06468 United States
06491Stevenson
Stevenson fairfield connecticut 06491 United States
06615Stratford
Stratford fairfield connecticut 06615 United States
06820Tokeneke
Tokeneke fairfield connecticut 06820 United States
06611Trumbull
Trumbull fairfield connecticut 06611 United States
06817Union Carbide Corp
Union Carbide Corp fairfield connecticut 06817 United States
06468Upper Stepney
Upper Stepney fairfield connecticut 06468 United States
06889Websters Unified
Websters Unified fairfield connecticut 06889 United States
06896West Redding
West Redding fairfield connecticut 06896 United States
06883Weston
Weston fairfield connecticut 06883 United States
06888Westport
Westport fairfield connecticut 06888 United States
06897Wilton
Wilton fairfield connecticut 06897 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).
