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The prefix +66 3644 serves the region of Lop Buri/Saraburi/Sing Buri.
Our database lists the carrier as "National Telecom (NT)".
The area code location is mapped at —.
Use this area-code page to access location, carrier, and prefix info for partial phone numbers.
Country: 🇹🇭 TH
Country Code: +66
Carrier: National Telecom (NT)
Prefix: 3644
Location: Lop Buri/Saraburi/Sing Buri
Area Code Page: +66 3644
Comments: Disabled for area-code pages
Example: +66 3644 *** ***
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🛰️ Coordinates Unavailable — No map data for this area code.
+66 3644 is an area code/prefix that appears to be associated with Lop Buri/Saraburi/Sing Buri. 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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