Area code
Area code 734 — Ann Arbor, MI
Michigan · in service since December 13, 1997
Area code 734 covers parts of Michigan; the place with the most of its prefixes is Ann Arbor. It is an overlay: 679 serves the same area, so neighbors can have different area codes.
Overlay, same area: 679
Local time in Ann Arbor
Spam reports from Sep 23 – Oct 22, 2026
Average #177 of 461 codes
520 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneEastern Time
- Local calls7 digits
- Prefixes730 assigned
- Runs out~4Q 2044
- Unwanted call?Block & report
Spam call reports about 734 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 37 |
| Sep 14 | 134 |
| Sep 21 | 96 |
| Sep 28 | 120 |
| Oct 5 | 111 |
| Oct 12 | 100 |
| Oct 19 (4 days) | 120 |
Compared with all codes
- Robocalls
- 58%all codes 75%
- Callers with the same code
- 47%all codes 35%
- Rank by complaints
- #177of 461 · middle half
- FCC complaints, Oct 2025 – Sep 2026
- 12710 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Calls pretending to be government, businesses, or family and friends | 139 19% | |
| Reducing your debt (credit cards, mortgage, student loans) | 111 15% | |
| Dropped call or no message | 39 5% | |
| Medical & prescriptions | 39 5% | |
| Warranties & protection plans | 23 3% | |
| Vacation & timeshares | 13 2% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| Michigan | 440 61% | |
| California | 53 7% | |
| Florida | 22 3% | |
| Illinois | 20 3% | |
| Ohio | 19 3% |
October 2026 (partial) report · most reported
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.
Area code 734 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| ANN ARBOR | Ann Arbor | Washtenaw County | 133 |
| LIVONIA | Livonia | Wayne County | 64 |
| WAYNE | Wayne | Wayne County | 60 |
| YPSILANTI | Ypsilanti | Washtenaw County | 52 |
| PLYMOUTH | Plymouth | Wayne County | 44 |
| MONROE | Monroe | Monroe County | 40 |
| WYANDOTTE | Wyandotte | Wayne County | 39 |
| TRENTON | Trenton | Wayne County | 27 |
| ROMULUS | Romulus | Wayne County | 24 |
| BELLEVILLE | Belleville | Wayne County | 16 |
Plus 23 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
Is 734 running out of numbers?
Previous forecast (October 2025): 2040, moved later by 4 years.
Relief planning (NANPA): 734, status Suspended; prefixes left: 70.
New code assigned: 679.
Source: NANPA, NPA database of Oct 24, 2026.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 734 prefixes
The five largest of 39 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Michigan Bell Tel Co. | 160 22% | |
| Verizon Wireless | 71 10% | |
| Omnipoint Communications Midwest Operations, LLC | 55 8% | |
| Mcimetro Access Transmission Services LLC | 52 7% | |
| New Cingular Wireless PCS, LLC | 43 6% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 734
What area code is 734?
A Michigan area code, in service since December 13, 1997.
Where is 734 area code, and what time zone is it in?
Ann Arbor, MI; Eastern Time.
Why am I getting spam calls from 734?
520 FTC complaints from Sep 23 – Oct 22, 2026, most often about impostors (not verified by the FTC; caller ID can be spoofed).
Will 734 get a new area code?
NANPA forecasts exhaust in 4Q 2044; relief planning: Suspended.