List of 5 Digit ZIP Codes United States: American Postal Code

Many retailers use 6-digit numbers as internal stock keeping units (SKUs) for specific items like furniture, clothing, or electronics.

While not a U.S. ZIP, some countries like Trinidad and Tobago or Taiwan use 6-digit systems.

If the location is in Canada, use the Canada Post Find a Postal Code tool (Format: A1A 1A1).

If you are trying to address mail or look up a specific location, you can use these official tools:

Use the USPS ZIP Code Lookup to find the correct 5-digit code by entering a street address.

💡 If this number appeared on a shipping label or invoice, it may be a package ID or order number rather than a geographical code.

If you tell me (e.g., on a product tag, a website, or a piece of mail), I can help you identify exactly what it refers to. Find a Postal Code - Canada Post * Personal. * Small business. Canada Post