US United States Major Regions Postal Code Details
🏛️ Weld · Colorado
80610Ault
Ault weld colorado 80610 United States
80611Briggsdale
Briggsdale weld colorado 80611 United States
80603Brighton
Brighton weld colorado 80603 United States
80612Carr
Carr weld colorado 80612 United States
80603Commerce City
Commerce City weld colorado 80603 United States
80514Dacono
Dacono weld colorado 80514 United States
80551Eastman Kodak Co
Eastman Kodak Co weld colorado 80551 United States
80615Eaton
Eaton weld colorado 80615 United States
80514Erie
Erie weld colorado 80514 United States
80645Evans
Evans weld colorado 80645 United States
80520Firestone
Firestone weld colorado 80520 United States
80621Fort Lupton
Fort Lupton weld colorado 80621 United States
80504Frederick
Frederick weld colorado 80504 United States
80622Galeton
Galeton weld colorado 80622 United States
80631Garden City
Garden City weld colorado 80631 United States
80623Gilcrest
Gilcrest weld colorado 80623 United States
80624Gill
Gill weld colorado 80624 United States
80633Greeley
Greeley weld colorado 80633 United States
80729Grover
Grover weld colorado 80729 United States
80732Hereford
Hereford weld colorado 80732 United States
80642Hudson
Hudson weld colorado 80642 United States
80534Johnstown
Johnstown weld colorado 80534 United States
80643Keenesburg
Keenesburg weld colorado 80643 United States
80644Kersey
Kersey weld colorado 80644 United States
80645La Salle
La Salle weld colorado 80645 United States
80603Lochbuie
Lochbuie weld colorado 80603 United States
80504Longmont
Longmont weld colorado 80504 United States
80534Loveland
Loveland weld colorado 80534 United States
80646Lucerne
Lucerne weld colorado 80646 United States
80504Mead
Mead weld colorado 80504 United States
80543Milliken
Milliken weld colorado 80543 United States
80742New Raymer
New Raymer weld colorado 80742 United States
80504Niwot
Niwot weld colorado 80504 United States
80648Nunn
Nunn weld colorado 80648 United States
80650Pierce
Pierce weld colorado 80650 United States
80651Platteville
Platteville weld colorado 80651 United States
80742Raymer
Raymer weld colorado 80742 United States
80652Roggen
Roggen weld colorado 80652 United States
80610Severance
Severance weld colorado 80610 United States
80638State Farm Ins
State Farm Ins weld colorado 80638 United States
80754Stoneham
Stoneham weld colorado 80754 United States
80639Univ Of Northern Colorado
Univ Of Northern Colorado weld colorado 80639 United States
80621Wattenburg
Wattenburg weld colorado 80621 United States
80550Windsor
Windsor weld colorado 80550 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).
