Exchange · Mill Valley, CA
(628) 245-xxxx
Every number from 628-245-0000 to 628-245-9999. NANPA records the exchange as assigned to Onvoy (Sinch) for Mill Valley, CA in 2016. 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 628-245
About the 628-245 exchange
628-245 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 Mill Valley, CA rate center in 2016. 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 628-245 numbers is usually Pacific time. Scammers can also fake (spoof) any number, so a call that shows a 628-245 number may not come from Onvoy (Sinch) at all.