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US area code · Michigan

Area code 734

Where the 734 area code is, its overlay and how to dial a +1 734 number from anywhere.

CoversAnn Arbor, MichiganTime zoneEastern (ET)TypeOverlay
Quick answer

The 734 area code is in Ann Arbor, Michigan, United States (Eastern (ET)). To call from abroad: +1 734 555-0123. It is an overlay, so all 10 digits are dialled.

StateMichigan
Main areaAnn Arbor
Time zoneEastern (ET)
TypeOverlay
10-digit dialingRequired
In service since30-May-1997

The 734 area code is a geographic North American Numbering Plan (NANP) code covering Ann Arbor, Michigan. It has been in service since 30-May-1997 and sits in the Eastern (ET) time zone.

Overlay 734 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

How to dial a 734 number

From abroad+1 734 555-0123
Within the US / Canada1 734 555-0123
Locally (same area)734 555-0123

Cities in the 734 area code

A 734 number is usually in one of these places in Michigan — 2 counties.

Ann Arbor WashtenawCanton WayneGarden City WayneLivonia WaynePlymouth WayneRomulus WayneSouth MonroeSouthgate WayneWestland WayneWyandotte WayneYpsilanti Washtenaw

Other Michigan area codes

Frequently asked questions

Where is the 734 area code?

The 734 area code is in Ann Arbor, Michigan, United States (Eastern (ET)).

Is 734 an overlay area code?

Yes. 734 overlays the same region as 313, 679, so callers dial all 10 digits.

Do I have to dial 10 digits for 734?

Yes — dial the area code plus the seven-digit number.

How do I call a 734 number from another country?

Dial your exit code (or +), then 1, then 734, then the number: +1 734 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 734 number does not pinpoint a street or ZIP code.

Missed a call from +1 734?

In the 30 days to September 24, 2026, 608 unwanted calls showing a 734 number were reported to the US Federal Trade Commission, 44% of them recorded messages or robocalls. That puts 734 at #135 of 670 area codes reported.

Calls pretending to be government, businesses, or family and friends247
Other157
Reducing your debt (credit cards, mortgage, student loans)76
Medical & prescriptions34
Before you call back
  • If you do not know anyone in Michigan, do not call back: a genuine caller will leave a message or send a text.
  • Scammers fake the number shown on caller ID, so a 734 number can hide a caller anywhere in the world.
  • Never give a code received by text or a bank detail to an unknown caller. In the US, calls can be reported at reportfraud.ftc.gov.

Who issues +1 734 numbers

Phone companies hold blocks of numbers in each area code. The main holders in 734:

Michigan Bell Tel Co 161Cellco Partnership Dba Verizon Wireless 71Omnipoint Communications Midwest Operations, LLC 55Mcimetro Access Transmission Services LLC 52Level 3 Communications, LLC 42Paetec Itel, LLC 42

About 15.4% of the 729 prefixes in use belong to mobile carriers: a 734 number is often a cell phone, and it may have moved to another carrier since.

Sources: FTC Do Not Call reported calls (numbers as reported by consumers, not verified), NANPA central office code assignments.

All US area codes United States +1 Map of area code 734 — cities & rate centres