There are 2 phone numbers within prefix 443-423 that have resulted in reports by users.
The location of calls from 443-423 is Baltimore, Maryland, USA. Most numbers in this area code are in US Eastern time, where the time is currently 12:36:56 PM on June 12, 2026. The telco provider for 443-423 is Level 3 Communications, Llc - Md.
Choose a phone number from the list below to browse user reports for 443-423. 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 |
|---|
| 443-423-1730 |
| 443-423-2786 |