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Area code +66 4257 covers Loei/Mukdahan/Nakhon Phanom/Nong Khai/Sakon Nakhon/Udon Thani and surrounding areas.
The prefix +66 4257 is operated by "National Telecom (NT)".
Ringbat database places +66 4257 at coordinates —.
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Country: 🇹🇭 TH
Country Code: +66
Carrier: National Telecom (NT)
Prefix: 4257
Location: Loei/Mukdahan/Nakhon Phanom/Nong Khai/Sakon Nakhon/Udon Thani
Area Code Page: +66 4257
Comments: Disabled for area-code pages
Example: +66 4257 *** ***
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🛰️ Coordinates Unavailable — No map data for this area code.
+66 4257 is an area code/prefix that appears to be associated with Loei/Mukdahan/Nakhon Phanom/Nong Khai/Sakon Nakhon/Udon Thani. 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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