Exchange · San Francisco, CA
(628) 777-xxxx
Every number from 628-777-0000 to 628-777-9999. NANPA records the exchange as assigned to Onvoy (Sinch) for San Francisco, CA. Robocall and scam operations often use many numbers from one exchange, so if one number here is a shady call, its neighbors deserve a second look.
Reported numbers starting 628-777
| Number | Verdict | What it is | Reports | Complaints |
|---|---|---|---|---|
| (628) 777-1854 | Caution | Telemarketer / sales | 0 | 3 |
About the 628-777 exchange
628-777 is an exchange (the first six digits of a phone number) in area code 628, which covers California. NANPA, which runs the North American Numbering Plan, assigned it to Onvoy (Sinch) for the San Francisco, CA rate center. Numbers from this carrier are usually VoIP / internet phone lines.
People keep their number when they move or switch carrier, so this is where the number was first assigned, not where the caller is today. Local time for 628-777 numbers is usually Pacific time. Scammers can also fake (spoof) any number, so a call that shows a 628-777 number may not come from Onvoy (Sinch) at all.