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Area code 734

Area code 734 Ann Arbor, Michigan

Area code 734 is in Michigan, with numbers assigned in Ann Arbor, Livonia, Wayne and 25 more places. It’s 12:13 AM there now.

State
Michigan13 area codes in Michigan
Time zone
Eastern12:13 AM there now
Exchanges
70128 places
Overlay
679Same area, 10-digit dialing
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Where area code 734 is

Numbers in 734 are assigned to 28 places in 6 counties: Wayne County, Washtenaw County, Monroe County, Livingston County, Ingham County and Keweenaw County.

No single place dominates: Ann Arbor, the largest, has 19% of the exchanges.

  • Ann Arbor133
  • Livonia64
  • Wayne60
  • Ypsilanti52
  • Plymouth44
  • Monroe40
  • Wyandotte39
  • Trenton27
  • Romulus24
  • Dexter16
  • Flat Rock16
  • Belleville16
  • Ida12
  • Whitmore Lake12
  • Maybee12
  • Temperance9
  • Williamston9
  • Pinckney9
  • Dundee9
  • Eagle River9
  • Chelsea9
  • Carleton8
  • Saline8
  • Milan7

Phone companies in 734

701 blocks of numbers in 734 are held by 33 phone companies. The most belong to AT&T (160), Verizon Wireless (71) and T-Mobile (69).

A large share, about 45%, belongs to competitive and internet phone carriers; wireless networks hold 26% and local phone and cable companies 29%.

A block’s holder is the company it was first assigned to; numbers can move to other carriers since.

History and overlays

734 went into service in 1997, added to the area of 313.

679 (since 2025) shares the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.

51 new exchanges were assigned since 2021, the latest in September 2026.

Calling 734

It’s 12:13 AM Eastern time in 734 right now.

From elsewhere in the U.S., dial 1, 734 and the 7-digit number; inside the area, all 10 digits too.

Nearby area codes

Michigan has 13 area codes: 231, 248, 269, 313, 517, 586, 616, 679, 734, 810, 906, 947 and 989.

From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.

Map of the 734 area code

Map of the 734 area code around Ann Arbor, Livonia and Wayne, Michigan.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 734

Where is area code 734?

In Michigan, covering Ann Arbor, Livonia and Wayne and other places across 6 counties.

What time zone is 734 in?

Eastern time. It was 12:13 AM there when this page loaded.

Is 734 an overlay?

Yes. 679 serves the same area, so dial all 10 digits for local calls.

Which phone companies have 734 numbers?

33 companies hold blocks; the most belong to AT&T, Verizon Wireless and T-Mobile. About 26% of blocks are wireless.

Is 734 running out of numbers?

Not on record. 51 new exchanges have been assigned since 2021.