US United States Major Regions Postal Code Details

๐Ÿ›๏ธ Pend Oreille ยท Washington
99119
Cusick
Cusick pend oreille washington 99119 United States
99139
Ione
Ione pend oreille washington 99139 United States
99152
Metaline
Metaline pend oreille washington 99152 United States
99153
Metaline Falls
Metaline Falls pend oreille washington 99153 United States
99156
Newport
Newport pend oreille washington 99156 United States
99180
Usk
Usk pend oreille washington 99180 United States

๐Ÿ“ฎUS United States Regional Postal Code FAQ & Postal Regulations

๐Ÿ“ฎ 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.

๐Ÿ” 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.

โš ๏ธ 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.

๐Ÿ”„ Do ZIP codes ever change?

Yes, USPS may update ZIP codes due to regional adjustments. Always confirm your ZIP code after an address change.

๐Ÿ“ฆ 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).