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Our database confirms that +55 5421 is assigned to Rio Grande do Sul.
Ringbat data identifies "Vivo (Telefônica Brasil)" as the carrier for this area code.
Mapped location for +55 5421 is (-29.8425284, -53.7680577).
Partial number searches match area-code pages like this — helpful if only the start of a number is known.
Country: 🇧🇷 Brazil
Country Code: +55
Carrier: Vivo (Telefônica Brasil)
Prefix: 5421
Location: Rio Grande do Sul
Coords: -29.8425284, -53.7680577
Area Code Page: +55 5421
Comments: Disabled for area-code pages
Example: +55 5421 *** ***
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+55 5421 is an area code/prefix that appears to be associated with Rio Grande do Sul. It may be assigned to multiple phone numbers within that region.
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Carrier information for this prefix: Vivo (Telefônica Brasil). In some cases multiple carriers may use similar prefixes.
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