BALTIMORE-COLUMBIA-TOWSON, MD · METRO GUIDE
Baltimore, MD area codes
- Local date and time
- Eastern Time
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Codes on this map
- 301 · 240 · 227
- 410 · 443 · 667 Baltimore, Annapolis, Westminster, Aberdeen
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Baltimore metro area codes at a glance
- Metro area
- Baltimore-Columbia-Towson, MD
- Population
- 2,857,781 (metro area; US Census Bureau metro area population estimates, 2025). Not an area-code population.
- Time zones
- Eastern
Area codes
| Area codes | Communities in the metro area | Main communities |
|---|---|---|
| 410, 443, and 667 | 47 | Baltimore, Annapolis, Westminster |
| 227, 240, and 301 | 1 | Mount Airy |
Area codes and location
48 communities in the Baltimore metro area, largest first, with the area codes whose numbers are issued there. These are telephone exchange areas, which follow the phone network rather than city limits.
| Community | Area codes |
|---|---|
| Baltimore | 410, 443, and 667 |
| Annapolis | 410, 443, and 667 |
| Westminster | 410, 443, and 667 |
| Aberdeen | 410, 443, and 667 |
| Havre De Grace | 410, 443, and 667 |
| Mount Airy | 227, 240, and 301 |
| Taneytown | 410, 443, and 667 |
| Hampstead | 410, 443, and 667 |
| Centreville | 410, 443, and 667 |
| Sykesville | 410, 443, and 667 |
| North Beach | 410, 443, and 667 |
| New Windsor | 410, 443, and 667 |
| Union Bridge | 410, 443, and 667 |
| Church Hill | 410, 443, and 667 |
| Queenstown | 410, 443, and 667 |
| Millington | 410, 443, and 667 |
| Sudlersville | 410, 443, and 667 |
| Hillsboro | 410, 443, and 667 |
| Arbutus | 410, 443, and 667 |
| Catonsville | 410, 443, and 667 |
| Chase | 410, 443, and 667 |
| Churchville | 410, 443, and 667 |
| Cockeysville | 410, 443, and 667 |
| Columbia | 410, 443, and 667 |
| Crofton | 410, 443, and 667 |
23 more communities
| Darlington | 410, 443, and 667 |
| Dundalk | 410, 443, and 667 |
| Edgewood | 410, 443, and 667 |
| Elkridge | 410, 443, and 667 |
| Ellicott City | 410, 443, and 667 |
| Essex | 410, 443, and 667 |
| Fallston | 410, 443, and 667 |
| Fork | 410, 443, and 667 |
| Glen Burnie | 410, 443, and 667 |
| Jarrettsville | 410, 443, and 667 |
| Millersville | 410, 443, and 667 |
| Odenton | 410, 443, and 667 |
| Parkton | 410, 443, and 667 |
| Parkville | 410, 443, and 667 |
| Pikesville | 410, 443, and 667 |
| Randallstown | 410, 443, and 667 |
| Reisterstown | 410, 443, and 667 |
| Severn | 410, 443, and 667 |
| Severna Park | 410, 443, and 667 |
| Sparrows Point | 410, 443, and 667 |
| Stevensville | 410, 443, and 667 |
| Towson | 410, 443, and 667 |
| West River | 410, 443, and 667 |
Notable places and their area codes
| Place | Where | What it is | Area codes |
|---|---|---|---|
| Johns Hopkins University | 3.3 km from Baltimore | University, 39,148 12-month enrollment (2023–24) | 410, 443, and 667 |
| Baltimore/Washington International Thurgood Marshall Airport | 5.3 km from Severn | Commercial airport, 13,221,461 enplanements (2024) | 410, 443, and 667 |
| United States Naval Academy | 2.1 km from Annapolis | University, 4,671 12-month enrollment (2023–24) | 410, 443, and 667 |
| University of Baltimore | 0.8 km from Baltimore | University, 3,975 12-month enrollment (2023–24) | 410, 443, and 667 |
| M&T Bank Stadium | 2.7 km from Baltimore | Stadium | 410, 443, and 667 |
| Aberdeen Proving Ground | 6.3 km from Aberdeen | US Army installation | 410, 443, and 667 |
| Oriole Park at Camden Yards | 2.0 km from Baltimore | Stadium | 410, 443, and 667 |
| Walters Art Museum | 0.7 km from Baltimore | Museum | 410, 443, and 667 |
| Baltimore Museum of Art | 3.0 km from Baltimore | Museum | 410, 443, and 667 |
| Fort George G. Meade | 5.2 km from Severn | US Army installation | 410, 443, and 667 |
Questions about Baltimore metro area codes
How many area codes serve the Baltimore metro area?
Six area codes serve the Baltimore metro area: 227, 240, 301, 410, 443, and 667.
What time zone is the Baltimore metro area in?
The Baltimore metro area is in Eastern Time. Daylight saving time is observed.
Business phone numbers in Baltimore, MD, answered by an AI agent
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