734 area code: location, overlays and numbers
In Detroit, Michigan, area code 734 has served as a US telephone area code since 1997, and it shares an overlay with 679.
- Location
- Detroit, Michigan
- Serving since
- 1997
- Local time zone
- Eastern time zone
- Overlay
- 679
- Calls inside the area
- Dialling with 7 digits
- Rate centre list
- 33
- Exhaust projection
- 2044
- Code for the country
- +1 (United States)
Dated 11/01/2026, the source file covers NANPA public reports: the area code report and rate-centre report. The exhaust year comes from NANPA projections 2026-1 (April 2026). This website is not an official NANPA site.
Get your own 734 number
Two paths bring you to a 734 number. With its plan, a provider assigns a new number, chosen at sign-up from the numbers the provider holds in the code. At a one-time price, a seller posts numbers it already holds, often ones with a pattern. You then transfer the number to a provider.
Providers ranked 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. The order stays the same, based on first-year cost. How we earn
Places in the 734 area code
For 734, NANPA lists 33 rate centres. Each one is a local calling area where numbers are assigned:
Ypsilanti, Wyandotte, Willis, Whitmore Lake, Wayne, Trenton, Temperance, Saline, Romulus, Rockwood, Plymouth, Pinckney, Petersburg, North Sylvania, Newport, New Boston, Monroe, Milan, Maybee, Manchester, Lost Peninsula, Livonia, Lambertville, Ida, Gregory, Flat Rock, Erie, Dundee, Dexter, Chelsea, Carleton, Belleville, Ann Arbor.
Other related area codes
Same area and same pool of numbers: 679. Any of these codes may provide a new number for this area, so request the one you want.
Michigan also uses these codes: 313, 517, 616, 906, 810, 248, 231, 989, 586, 269 and 947.
734 area code questions
Where is the 734 area code?
In Detroit, Michigan, and around Detroit-Warren-Dearborn, MI, 734 rings.
What country code does a 734 number use?
+1. Because 734 belongs to the North American Numbering Plan, callers abroad dial +1 734 followed by the 7-digit number.
What time is it in the 734 area code?
The 734 area code stays on Eastern time.
Who makes calls using a 734 number?
Any holder of a number here: homes, mobiles, local businesses and also people who fake a local number. The 734 number on your screen shows where it was assigned, not who is calling.