Washington ZIP Code - Postal Codes
Find all Washington Zip Codes for simple navigation from Farmington's streets to every corner of Castle Rock. Explore our comprehensive database to find the exact county zip code you need for efficient mail delivery and seamless navigation. Whether you're searching for a specific location or need to send mail to an Washington PO Box, our platform ensures you discover Washington zip codes with ease. Experience swift and reliable mail delivery by accessing accurate postal codes for every corner of Washington.
How many ZIP Codes are there in Washington?
There are approximately 463 active ZIP codes in Washington. It's important to note that this number may fluctuate slightly as the USPS occasionally adds or removes ZIP codes.
What's the difference between a 5-digit ZIP code and a ZIP+4 code in Washington?
Washington ZIP codes: 5-digit = general area, ZIP+4 = specific building (optional, but faster delivery).
How do ZIP codes help with mail delivery in Washington?
Washington ZIP codes work like a barcode for mail. it generally 5-digit gets it close, ZIP+4 (optional) finds your exact building. Faster delivery.