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The prefix +66 3977 serves the region of Chanthaburi/Trat.
Our database lists the carrier as "National Telecom (NT)".
The area code location is mapped at —.
Partial number searches match area-code pages like this — helpful if only the start of a number is known.
Country: 🇹🇭 TH
Country Code: +66
Carrier: National Telecom (NT)
Prefix: 3977
Location: Chanthaburi/Trat
Area Code Page: +66 3977
Comments: Disabled for area-code pages
Example: +66 3977 *** ***
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🛰️ Coordinates Unavailable — No map data for this area code.
+66 3977 is an area code/prefix that appears to be associated with Chanthaburi/Trat. It may be assigned to multiple phone numbers within that region.
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Carrier information for this prefix: National Telecom (NT). In some cases multiple carriers may use similar prefixes.
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