21120 Zip Code - Basic data & usps preferred city name. Web zip code 21120 is located in the city of parkton, maryland and covers 41.996 square miles of land area. Zip code population in 2010: Web bentley springs, md | parkton, md. Family households (families) male householder, no wife present, family. Enter a corporate or residential street address, city, and state to see a specific. Web look up a zip code ™. Estimated zip code population in 2021: Area code (s) 410, 443, and 667. Web citizen, voting age population.
Estimated zip code population in 2021: Look up a zip code. Parkton is an agrarian unincorporated area in the northern part of baltimore. Family households (families) male householder, no wife present, family. Web zip code 21120 is located in the city of parkton, maryland and covers 41.996 square miles of land area. Zip code population in 2010: Web bentley springs, md | parkton, md. Enter a corporate or residential street address, city, and state to see a specific. Area code (s) 410, 443, and 667. Basic data & usps preferred city name. Web citizen, voting age population. Web look up a zip code ™.