Pick 410 if the number should read as Baltimore.
410 entered service on October 6, 1991, split from 301. It runs from Towson and Columbia to Annapolis and Ocean City.
The area codes for Baltimore are 410, 443 and 667.
Area codes in Baltimore
Get a phone number with the right area code for Baltimore.
410, 443 and 667 cover one shared area: Baltimore and the places around it, Annapolis, and all of the Eastern Shore down to Ocean City.
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Baltimore has three area codes.
Pick 410 for the original Baltimore code, or 443 or 667 for the same area.
Pick 443 if you want the second Baltimore code.
443 was never split from 410: it was laid over it and entered service on June 1, 1997.
Pick 667 if you want the newest Baltimore code.
667 entered service on March 24, 2012, over the same area as 410 and 443.
People filed 326 FCC complaints about unwanted calls from Baltimore area codes in 12 months.
From October 2025 to September 2026, 326 unwanted-call complaints filed with the FCC gave a caller ID number that started with 410, 443 and 667. 410 was named most, on 128 of them (39%).
- 326unwanted-call complaints named a Baltimore code
- 410was named on the most of them, 128
- 39%of the Baltimore complaints named 410
Source: Federal Communications Commission, CGB - Consumer Complaints Data (dataset 3xyp-aqkj), issue "Unwanted Calls", read on November 4, 2026. Caller ID can be faked, so a code shows what appeared on the phone, not where the caller was.
This is how you get a Baltimore number.
- 1
Start your free week.
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- 2
Type the code you picked.
Open Create a number, type the three digits and give the number a name.
- 3
Hand the number out.
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People ask these questions about Baltimore area codes.
More in the full FAQ.
No. 301 covers the Washington suburbs and western Maryland. 410 was split from 301 in 1991.
Yes. 410, 443 and 667 all cover Baltimore, Annapolis, the Eastern Shore and Ocean City.
A local call in Baltimore is dialed with ten digits, whichever of its codes the number starts with. The area code is part of every number you give out.
From October 2025 to September 2026, people filed 326 FCC complaints about unwanted calls from numbers that start with a Baltimore code: 410 (128), 443 (128) and 667 (70). A complaint is one person's report. Caller ID can be faked, so a code shows what appeared on the phone, not where the caller was.
Yes. You type the area code you want when you create a number, and you do not need to live in Baltimore. Calls ring the phone you already have, and texts land in your ExpressNumber inbox.
No. Your numbers are receive-only: they take calls and texts, and they never make them. You answer calls on your own phone, and you cannot reply to a text from the inbox.
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Codes around Baltimore
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Every fact on this page comes from public numbering records.
The codes, the places and the years are rows of the North American Numbering Plan Administrator's area code database, and the complaints are the FCC's own.
Put a Baltimore code on a number you can burn.
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