Maryland ZIP Code - Postal Codes
Find all Maryland Zip Codes for simple navigation from Joppa's streets to every corner of Upper Falls. 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 Maryland PO Box, our platform ensures you discover Maryland zip codes with ease. Experience swift and reliable mail delivery by accessing accurate postal codes for every corner of Maryland.
How many ZIP Codes are there in Maryland?
There are approximately 398 active ZIP codes in Maryland. 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 Maryland?
Maryland ZIP codes: 5-digit = general area, ZIP+4 = specific building (optional, but faster delivery).
How do ZIP codes help with mail delivery in Maryland?
Maryland ZIP codes work like a barcode for mail. it generally 5-digit gets it close, ZIP+4 (optional) finds your exact building. Faster delivery.