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Our database confirms that +257 6721 is assigned to Burundi.
Known carrier for +257 6721: "Viettel".
Mapped location for +257 6721 is (-3.426449, 29.9324519).
Partial number searches match area-code pages like this — helpful if only the start of a number is known.
Country: 🇧🇮 BI
Country Code: +257
Carrier: Viettel
Prefix: 6721
Location: Burundi
Coords: -3.426449, 29.9324519
Area Code Page: +257 6721
Comments: Disabled for area-code pages
Example: +257 6721 *** ***
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+257 6721 is an area code/prefix that appears to be associated with Burundi. It may be assigned to multiple phone numbers within that region.
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Carrier information for this prefix: Viettel. In some cases multiple carriers may use similar prefixes.
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