410 Area Code
Maryland, USA
Local time now · Eastern Time
3:45 AM
Area code 410 is in Maryland, USA, serving Baltimore, Columbia, Towson and Severn. It uses Eastern Time — the time there now is 3:45 AM. 443 and 667 are overlays for the same area, so local calls need 10-digit dialing. In service since 1991.
| Area code | 410 |
|---|---|
| Location | Maryland, USA |
| Major cities | Baltimore, Columbia, Towson, Severn, Annapolis, Westminster, Aberdeen, Elkton |
| Time zone | Eastern Time |
| Overlay codes | 443, 667 |
| In service since | 1991 |
| Dialing | 1+10 digit permissible at service provider discretion. |
Other area codes in Maryland
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Frequently asked questions
Where is area code 410?
Maryland, USA — including Baltimore, Columbia, Towson, Severn and Annapolis.
What time zone is area code 410?
Eastern Time.
How do I call a 410 number from abroad?
Dial your international access code, then 1 (the country code), then 410 and the 7-digit number — for example +1 410 555 0100. From the UK or India dial 00 1 410 …; from Bangladesh 00 1 410 … .
Is a call from 410 a scam?
Not by itself — 410 is an ordinary geographic area code in Maryland. Numbers can be spoofed, so be careful with unexpected calls asking for money or personal details.
Sources: North American Numbering Plan Administrator (NANPA) NPA database (10/25/2026); major cities from Wikidata (CC0). An area code shows where a number was first assigned — with number portability and mobile phones, the caller may be anywhere.