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Exchange · Rockdale, TX

(512) 543-xxxx

Every number from 512-543-0000 to 512-543-9999. NANPA records the exchange as assigned to Onvoy (Sinch) for Rockdale, TX. 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 centerRockdale, TX
Flagged numbers1

Reported numbers starting 512-543

NumberVerdictWhat it isReportsComplaints
(512) 543-1782Shady callScam or spam text028

About the 512-543 exchange

512-543 is an exchange (the first six digits of a phone number) in area code 512, which covers Texas. NANPA, which runs the North American Numbering Plan, assigned it to Onvoy (Sinch) for the Rockdale, TX rate center. 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 512-543 numbers is usually Central time. Scammers can also fake (spoof) any number, so a call that shows a 512-543 number may not come from Onvoy (Sinch) at all.

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