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US area code · Michigan

734 area code

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.

734313679

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

231248269313517586616679810906947989

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.

Number holders in area code 734

Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 729 prefixes are in use in 734, shared by 41 companies. The largest holders:

CompanyPrefixesShare
Michigan Bell Tel Co16122%
Cellco Partnership Dba Verizon Wireless7110%
Omnipoint Communications Midwest Operations, LLC558%
Mcimetro Access Transmission Services LLC527%
Level 3 Communications, LLC426%
Paetec Itel, LLC426%

Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.

Complaints about 734 numbers

Reports to the FTC, last 30 days
608
Recorded messages or robocalls
44%
Rank among area codes
#135 of 670
Most reported subjects
Calls pretending to be government, businesses, or family and friends (247)
Other (157)
Reducing your debt (credit cards, mortgage, student loans) (76)

Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.

Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).

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

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