ZIP Code 21240 - Baltimore Maryland

21240 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.

Stats Geography Politics Schools Climate Related Pages

ZIP Code 21240 Quick Stats

ZIP Code NameBaltimore
OrganizationBaltimore-Washington International/Thurgood Marshall Airport
Primary CountyAnne Arundel County
ZIP Code TypeStandard
Area Code(s)410 / 443 / 667
Current Time
EST

ZIP Code 21240 Map

21240 Geography

Coordinates39.17478943,-76.67215729
Adjacent ZIP Codes
RegionMetro Baltimore
Metropolitan/Micropolitan Stat AreaBaltimore-Columbia-Towson, MD
Time ZoneEastern Standard Time
IANA TimezoneAmerica/New_York
Area4 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 ZoneZone 7b: 5F to 10F
Average First Frost DateOctober 21 - 31
Average Last Frost DateApril 11 - 20
Koppen-Geiger Climate ZoneCfa - Humid Subtropical Climate
Ecoregion65n - Chesapeake Rolling Coastal Plain

21240 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)24263442526166645745362845
Avg Max Temp (°F)42465566758388867968574766
Avg Precip (In.)3.4833.963.124.073.533.923.834.053.263.263.4142.89

Most Popular ZIP Code Searches in Maryland