ZIP Code 21240 - Baltimore Maryland
Overview
21240 is the ZIP Code for Baltimore-Washington International/Thurgood Marshall Airport in Baltimore, Maryland. 21240 is entirely within Anne Arundel County. Regionally, 21240 is located in Metro Baltimore.
ZIP Code 21240 Quick Stats
| ZIP Code Name | Baltimore |
| Organization | Baltimore-Washington International/Thurgood Marshall Airport |
| Primary County | Anne Arundel County |
| ZIP Code Type | Standard |
| Area Code(s) | 410 / 443 / 667 |
| Current Time | EDT |
ZIP Code 21240 Map
21240 Geography
| Coordinates | 39.17478943, -76.67215729 |
| Adjacent ZIP Codes | |
| Region | Metro Baltimore |
| Metropolitan/Micropolitan Stat Area | Baltimore-Columbia-Towson, MD |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |
| Area | 4 Square Miles |
21240 Schools
| School Districts in 21240 | |
| Elementary Schools in 21240 | |
| Middle Schools in 21240 | |
| High Schools in 21240 |
21240 Weather and Climate Data
| Plant Hardiness Zone | Zone 7b: 5F to 10F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 21 - 31 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | April 11 - 20 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Cfa - Humid Subtropical Climate | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 65n - Chesapeake Rolling Coastal Plain | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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