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Exchange · Washington, DC

(771) 328-xxxx

Every number from 771-328-0000 to 771-328-9999. NANPA records the exchange as assigned to Onvoy (Sinch) for Washington, DC in 2023. 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 centerWashington, DC
Flagged numbers7

Reported numbers starting 771-328

NumberVerdictWhat it isReportsComplaints
(771) 328-9449CautionScam or spam text04
(771) 328-9505CautionScam or spam text03
(771) 328-9563CautionScam or spam text03
(771) 328-9567CautionScam or spam text03
(771) 328-9568CautionScam or spam text05
(771) 328-9611CautionScam or spam text03
(771) 328-9708CautionScam or spam text03

About the 771-328 exchange

771-328 is an exchange (the first six digits of a phone number) in area code 771, which covers District of Columbia. NANPA, which runs the North American Numbering Plan, assigned it to Onvoy (Sinch) for the Washington, DC rate center in 2023. 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 771-328 numbers is usually Eastern time. Scammers can also fake (spoof) any number, so a call that shows a 771-328 number may not come from Onvoy (Sinch) at all.

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