There are 2 phone numbers within prefix 313-421 that have resulted in reports by users.
The location of calls from 313-421 is Detroit Zone 5, Michigan, USA. Most numbers in this area code are in US Eastern time, where the time is currently 4:02:37 PM on June 12, 2026. The telco provider for 313-421 is New Cingular Wireless Pcs, Llc - Il.
Choose a phone number from the list below to browse user reports for 313-421. You can also use the search box above to search for user reports about any phone number, or to file a report about any phone number.
| Phone Number |
|---|
| 313-421-7237 |
| 313-421-9818 |