Where is Area Code 313?
Area code 313 is found in the US state of Michigan. Primarily servicing the city of Detroit (population: 662893), area code 313 covers 1 county of Michigan.
Located in the Eastern time zone, area code 313 is on the same time as New York, NY.
Area code 313 was brought into effect on January 1, 1947.
Counties in Area Code 313
- Wayne.
Most Populous Cities in Area Code 313
| City | County | City Population |
|---|---|---|
| Detroit | Wayne | 662,893 |
| Dearborn | Wayne | 96,630 |
| Taylor | Wayne | 62,152 |
| Dearborn Heights | Wayne | 56,878 |
| Redford | Wayne | 52,420 |
| Grosse Pointe | Wayne | 46,846 |
| Hamtramck | Wayne | 38,432 |
| Lincoln Park | Wayne | 37,507 |
| Highland Park | Wayne | 27,968 |
| Allen Park | Wayne | 27,762 |
| Inkster | Wayne | 24,972 |
| Harper Woods | Wayne | 14,328 |
| Melvindale | Wayne | 10,560 |
| Ecorse | Wayne | 9,407 |
| River Rouge | Wayne | 7,780 |
Note: The above list is based off of the top 25 most populous cities in the area code as per 2012 United States Census Bureau estimates.
View all United States Area Codes.