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Our database confirms that +359 3780 is assigned to Bulgaria.
Our database lists the carrier as "Vivacom".
Geolocation for this prefix: (42.6073975, 25.4856617).
Partial number searches match area-code pages like this — helpful if only the start of a number is known.
Country: 🇧🇬 BG
Country Code: +359
Carrier: Vivacom
Prefix: 3780
Location: Bulgaria
Coords: 42.6073975, 25.4856617
Area Code Page: +359 3780
Comments: Disabled for area-code pages
Example: +359 3780 *** ***
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+359 3780 is an area code/prefix that appears to be associated with Bulgaria. It may be assigned to multiple phone numbers within that region.
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Carrier information for this prefix: Vivacom. In some cases multiple carriers may use similar prefixes.
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