Baltimore area codes in brief
| Code | Main places | Since | Overlay | Time zone | Exhaust |
|---|---|---|---|---|---|
| 410 | Aberdeen, Annapolis, Arbutus and more | 1991 | 443 and 667 | Eastern time | 2036 |
| 443 | Aberdeen, Annapolis, Arbutus and more | 1997 | 410 and 667 | Eastern time | 2036 |
| 667 | Aberdeen, Annapolis, Arbutus and more | 2012 | 410 and 443 | Eastern time | 2036 |
Based on NANPA public reports: the area code report and rate-centre report, dated 11/01/2026. The NANPA projections 2026-1 (April 2026) provide the exhaust year. This site has no official status with NANPA.
Area codes close to Baltimore
Within the Baltimore-Columbia-Towson, MD metro area, additional codes are 301, 240 and 227.
Get a number for Baltimore
A Baltimore number can come from two routes. When you sign up for a provider's plan, it assigns a new number from those it holds in the code. Sellers list numbers they already hold, often with a pattern, and charge a one-time price. After that, you move the number over to a provider.
Providers listed by first-year cost
| Provider | Cheapest plan | First year | Link |
|---|---|---|---|
 Free app | Basic (Just for me), free | $0 | Open Google Voice |
 Free app | Free plan, free | $0 | Open TextNow |
 Developer API | Pay-as-you-go local number, $1.15 a month | $13.80 | Open Twilio |
 Second-number app | Standard, $3.99 a month billed yearly | $47.99 | Open Burner |
 Toll-free specialist | Solo, $6.99 a month billed yearly | $84 | Open UniTel Voice |
 Second-number app | Deluxe (local number), $6.99 a month billed yearly | $102.88 | Open GoDaddy Conversations (formerly Smartline) |
Sellers listing local numbers
| Seller | What it sells | Listed price | Monthly fee | Link |
|---|---|---|---|---|
 Marketplace | Local numbers | From $9 one-time | None stated | Search at Exclusive Digits |
 Marketplace | Local and toll-free | From $9.95 one-time | $2.99 a month | Search at NumberBarn |
 Number broker | Local and toll-free | From $99 one-time | None stated | Search at RingBoost |
 Number broker | Local and toll-free | From $100 one-time | None stated | Search at PhoneNumberExpert |
| 212areacode.comNumber broker | Local numbers | From $150 one-time | None stated | Search at 212areacode.com |
Some sellers and providers may pay us a referral fee. The listing order stays the same, and first-year cost decides it. How we make money
Baltimore area code questions
Which area code does Baltimore use?
Three codes serve Baltimore: 410, 443 and 667. Because the codes overlap, any of the three may supply a new number.
Which Baltimore area code is the original?
410 has been in service since 1991.
For a local call in Baltimore, do I dial the area code?
Yes, use 10-digit dialling.