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Exchange · Seattle, WA

(206) 536-xxxx

Every number from 206-536-0000 to 206-536-9999. NANPA records the exchange as assigned to Onvoy (Sinch) for Seattle, WA in 2017. 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.

CarrierOnvoy (Sinch)original
Line typeVoIP / internet phonelikely
Rate centerSeattle, WA
Flagged numbers2

Reported numbers starting 206-536

NumberVerdictWhat it isReportsComplaints
(206) 536-3256CautionRobocall / recorded message03
(206) 536-3695Shady callTelemarketer / sales012

About the 206-536 exchange

206-536 is an exchange (the first six digits of a phone number) in area code 206, which covers Washington. NANPA, which runs the North American Numbering Plan, assigned it to Onvoy (Sinch) for the Seattle, WA rate center in 2017. 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 206-536 numbers is usually Pacific time. Scammers can also fake (spoof) any number, so a call that shows a 206-536 number may not come from Onvoy (Sinch) at all.

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