Area Code 734

Michigan

Area code 734 serves Michigan, primarily Ann Arbor, in the Eastern Time (ET) time zone. It has served the region since 13-Dec-1997.

Published: February 17, 2026Verified against NANPA and FCC records

Demographics & Economics

Total Population: 1,472,057
Population Density: 622 people/sq mi
above U.S. average (U.S.: 95 people/sq mi)
Median Household Income: $77,335
near U.S. median (U.S.: $80,734)
Poverty Rate: 16.3%
above U.S. average (U.S.: 12.5%)
Unemployment Rate: 6.5%
above U.S. average (U.S.: 5.2%)
Education Attainment: Bachelor's Degree+
37.2%
near U.S. average (U.S.: 35.7%)
High School or Lower
27.7%

Statistics are population-weighted aggregations from Census ACS 5-year estimates. Population figures are approximate — see Sources & Methodology for details on how area code populations are derived.

See how this area code compares to all US area codes in the income ranking and density ranking.

Time Zone

Eastern Time (ET)

NANPA Relief Status

According to the latest NANPA analysis (July 2026), this area code is not currently listed as exhausting within the next 36 months. No relief planning is in progress for this NPA.

Source: NANPA NPA Relief Planning Reports · See all relief planning statuses

Current Time

Eastern Time (ET)

Prefix Utilization

Geographic Coverage

State

Major Cities

Ann Arbor
Livonia
Westland
Taylor
Southgate
Garden City
Inkster
Romulus
Wyandotte
Monroe
Ypsilanti
Trenton
Wayne
Woodhaven
Riverview
Flat Rock
Lambertville
Plymouth
Saline
Temperance
Whitmore Lake
South Monroe
Milan
Dundee

and 21 more cities

Area Code 734 geographic coverage map (light mode)

History

Area code 734 was established in 1997 as a geographic area code.

Demographics

The estimated population served by area code 734 is approximately 1,472,057. The population density is 622 people per square mile, which is higher than the national average of 95. The median household income is $77,335, which is near the national median of $80,734. Approximately 37.2% of adults hold a bachelor's degree or higher, compared to the national rate of 35.7%. This rate is near the national average. The poverty rate stands at 16.3%, which is higher than the national rate of 12.5%.