- City / exchange
- Mehlville
- Province / state
- Missouri
- Country
- United States
- Carrier
- T-mobile Usa, Inc.
- Line type
- Likely mobile
- OCN
- 6529
- Status
- In Service
- Assigned
- 05/19/2023
- Number pooling
- Yes (block shared between carriers)
557-203 phone numbers
Mehlville, Missouri, United States · T-mobile Usa, Inc.
Reported numbers in 557-203
No numbers in this block have been reported by visitors yet.
What does the 557-203 prefix tell you?
Every North American number is area code + prefix + line. The prefix 557-203 was assigned to T-mobile Usa, Inc. on 05/19/2023 for the Mehlville exchange. A call from this block usually originates from a T-mobile Usa, Inc. customer in or near Mehlville, but caller ID can be spoofed to show any number.