Zip Code 21220 - Find by city & state. Enter an address to find the zip+4. And ensure faster mail delivery,. Web zip code 21220 is located in the city of middle river, maryland and covers 21.178 square miles of land area. Enter city and state to see all the zip codes ™ for that city. This postal code encompasses addresses in the city of. Web 21220 is the only zip code for middle river, md. Web find out the demographics, population, housing, income, and post offices of zip code 21220 in middle river, maryland. Web zip code 21220 is located mostly in baltimore county, md.
Web find out the demographics, population, housing, income, and post offices of zip code 21220 in middle river, maryland. Web zip code 21220 is located mostly in baltimore county, md. And ensure faster mail delivery,. This postal code encompasses addresses in the city of. Find by city & state. Web zip code 21220 is located in the city of middle river, maryland and covers 21.178 square miles of land area. Web 21220 is the only zip code for middle river, md. Enter an address to find the zip+4. Enter city and state to see all the zip codes ™ for that city.