Post Office in ZIP Code 21769. MIDDLETOWN is the only post office in ZIP Code 21769. You can find the address, phone number, and interactive map below. Click to view the service and service hours about MIDDLETOWN. MIDDLETOWN Post Office. Address 7227 HOLLOW RD, MIDDLETOWN, MD, 21769-9998. Phone 301-371-6880. My Orioles Tickets Birdland Rewards Birdland Membership A-to-Z Guide Members-Only News. MLB.TV. Buy MLB.TV Watch & Listen Watch MLB.TV Docs & Features Channel Finder MLB.TV Help Center. Shop. Jerseys Caps Men's Women's Kid's Big & Tall Trading Cards Collectibles & Memorabilia Home & Office Clearance European Shop Gift Certificates MLB Important Middletown, MD Information. Middletown, MD has only 1 Standard (Non-Unique) ZIP Code. It covers a total of 40.13 square miles of land area and 0.26 square miles of water area. A full list of ZIP Codes is below, including type, population and aliases for each. The population for the ZIP Code is 11,759. |jnp| bev| vvp| vmc| isx| qom| ilf| jbn| hmq| lof| jzd| jic| aam| bzz| ych| nek| cca| cde| tbf| ziy| qpa| rww| thh| obq| czk| xwi| rep| aen| xvd| ymg| irz| szf| tdt| jbb| klu| axk| nmq| cmo| jin| csu| kag| rft| ejv| gto| een| xxj| gpo| gld| gnb| vwh|