Exchange · Philadelphia, PA
(835) 243-xxxx
Every number from 835-243-0000 to 835-243-9999. NANPA records the exchange as assigned to Onvoy (Sinch) for Philadelphia, PA in 2024. 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 835-243
About the 835-243 exchange
835-243 is an exchange (the first six digits of a phone number) in area code 835, which covers Pennsylvania. NANPA, which runs the North American Numbering Plan, assigned it to Onvoy (Sinch) for the Philadelphia, PA rate center in 2024. 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 835-243 numbers is usually Eastern time. Scammers can also fake (spoof) any number, so a call that shows a 835-243 number may not come from Onvoy (Sinch) at all.