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Our database confirms that +66 5378 is assigned to Chiang Mai/Chiang Rai/Lamphun/Mae Hong Son.
Known carrier for +66 5378: "National Telecom (NT)".
Coordinates for +66 5378 are —.
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: 5378
Location: Chiang Mai/Chiang Rai/Lamphun/Mae Hong Son
Area Code Page: +66 5378
Comments: Disabled for area-code pages
Example: +66 5378 *** ***
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🛰️ Coordinates Unavailable — No map data for this area code.
+66 5378 is an area code/prefix that appears to be associated with Chiang Mai/Chiang Rai/Lamphun/Mae Hong Son. It may be assigned to multiple phone numbers within that region.
Yes — use Ringbat's number search to look up a full number. This area-code page helps when only part of a number is known.
Carrier information for this prefix: National Telecom (NT). In some cases multiple carriers may use similar prefixes.
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