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Our database confirms that +386 3720 is assigned to Celje/Trbovlje.
Our database lists the carrier as "Telekom Slovenije".
Geolocation for this prefix: —.
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Country: 🇸🇮 SI
Country Code: +386
Carrier: Telekom Slovenije
Prefix: 3720
Location: Celje/Trbovlje
Area Code Page: +386 3720
Comments: Disabled for area-code pages
Example: +386 3720 *** ***
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+386 3720 is an area code/prefix that appears to be associated with Celje/Trbovlje. It may be assigned to multiple phone numbers within that region.
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Carrier information for this prefix: Telekom Slovenije. In some cases multiple carriers may use similar prefixes.
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