Mount Airy, MD Insights: Population,
Zip Codes, Influence, and Service Areas

Outside the town limits, the surrounding countryside is colloquially referred to as Mount Airy or the "Four-County Area" by locals. The "Four-County Area" derives its name from the fact that the "Mount Airy" mailing area encompasses portions of Frederick, Carroll, Montgomery, and Howard counties.

Zip Codes in Mount Airy, MD that we also serve: 21771





Cities Close To Mount Airy, MD That We Also Serve