- City / exchange
- St Louis
- Province / state
- Missouri
- Country
- United States
- Carrier
- 8x8, Inc.
- Line type
- Likely VoIP / virtual number
- OCN
- 193E
- Status
- Assigned
- Assigned
- 09/23/2026
- Number pooling
- Yes (block shared between carriers)
557-880 phone numbers
St Louis, Missouri, United States · 8x8, Inc.
Reported numbers in 557-880
No numbers in this block have been reported by visitors yet.
What does the 557-880 prefix tell you?
Every North American number is area code + prefix + line. The prefix 557-880 was assigned to 8x8, Inc. on 09/23/2026 for the St Louis exchange. A call from this block usually originates from a 8x8, Inc. customer in or near St Louis, but caller ID can be spoofed to show any number.