A quick look at Detroit area codes
| Code | Main places | Since | Overlay | Time zone | Exhaust |
|---|---|---|---|---|---|
| 313 | Detroit | 1947 | 679 | Eastern time | 2091 |
| 679 | Detroit | 2025 | 313 | Eastern time | 2091 |
Source: NANPA public reports, including the area code report and rate-centre report, using the file of 11/01/2026. The exhaust year comes from NANPA projections 2026-1 (April 2026). We are not an official NANPA site.
Area codes close to Detroit
Other codes serve metro Detroit-Warren-Dearborn, MI: 517, 810, 248, 734, 989 plus 586 and 947.
Get a number for Detroit
There are two routes to a Detroit number. At sign-up, a provider gives you a new number with its plan, picked from the numbers available to it in the code. Sellers post numbers they already hold, often with a pattern, and ask 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 that list 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. It never changes the order: first-year cost is what the order follows. How we earn
Detroit area code questions
What area code does Detroit use?
Both 313 and 679 are used in Detroit. Because the two overlay one another, a new number may come from either one.
Which Detroit area code is the original?
313 has been in service since 1947.
For a local call in Detroit, do I dial the area code?
Yes: 10-digit dialling is used.