Enter a number in E.164 format (for example +441952612345)
Our database confirms that +66 5621 is assigned to Chai Nat/Nakhon Sawan/Phetchabun/Phichit/Uthai Thani.
Our database lists the carrier as "National Telecom (NT)".
Geolocation for this prefix: —.
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: 5621
Location: Chai Nat/Nakhon Sawan/Phetchabun/Phichit/Uthai Thani
Area Code Page: +66 5621
Comments: Disabled for area-code pages
Example: +66 5621 *** ***
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🛰️ Coordinates Unavailable — No map data for this area code.
+66 5621 is an area code/prefix that appears to be associated with Chai Nat/Nakhon Sawan/Phetchabun/Phichit/Uthai 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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