District of Columbia ZIP Code - Postal Codes

Find all District of Columbia Zip Codes for simple navigation from Naval Anacost Annex's streets to every corner of Washington Navy Yard. 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 District of Columbia PO Box, our platform ensures you discover District of Columbia zip codes with ease. Experience swift and reliable mail delivery by accessing accurate postal codes for every corner of District of Columbia.

Zip Codes List by Cities, District of Columbia

How many ZIP Codes are there in District of Columbia?

There are approximately 3 active ZIP codes in District of Columbia. 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 District of Columbia?

District of Columbia ZIP codes: 5-digit = general area, ZIP+4 = specific building (optional, but faster delivery).

How do ZIP codes help with mail delivery in District of Columbia?

District of Columbia ZIP codes work like a barcode for mail. it generally 5-digit gets it close, ZIP+4 (optional) finds your exact building. Faster delivery.