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Exchange · Miami, FL

(305) 564-xxxx

Every number from 305-564-0000 to 305-564-9999. NANPA records the exchange as assigned to Onvoy (Sinch) for Miami, FL in 2022. 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 centerMiami, FL
Flagged numbers1

Reported numbers starting 305-564

NumberVerdictWhat it isReportsComplaints
(305) 564-8390Shady callScam or spam text011

About the 305-564 exchange

305-564 is an exchange (the first six digits of a phone number) in area code 305, which covers Florida. NANPA, which runs the North American Numbering Plan, assigned it to Onvoy (Sinch) for the Miami, FL rate center in 2022. 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 305-564 numbers is usually Eastern time. Scammers can also fake (spoof) any number, so a call that shows a 305-564 number may not come from Onvoy (Sinch) at all.

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