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ZIP code 20620

Callaway, MD · St. Mary's County

About ZIP code 20620

  • ZIP code 20620 is in Callaway, St. Mary's County, Maryland.
  • About 1,115 people live in it, which is 100.4 people per square mile.
  • Time zone: Eastern Standard Time.
  • The middle of the ZIP code is at 38.233, -76.522.

A ZIP code is a mail delivery area, not a town border, and one ZIP code can cover parts of several towns. To check a single address, use the US Postal Service lookup.

Callaway, MD

ZIP code 20620 is the post office name for Callaway, MD. 930 people live in Callaway. Typical household income is $160,341. A typical home costs $364,700.

  • Stronger than most towns on: Jobs and income, Clean air and low disaster risk and Home internet and working from home.
  • Weaker than most towns on: Cost of living, Dining and entertainment and Health and medical care.

See all figures for Callaway

Other ZIP codes in Callaway

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ZIP code list from SimpleMaps US Zips. Population is a US Census Bureau estimate. These are estimates, so check official sources before you decide.