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Area code +31 4389 covers Maastricht and surrounding areas.
Carrier for this prefix: "KPN".
Ringbat database places +31 4389 at coordinates (50.8579855, 5.6969882).
Ringbat creates area-code pages to provide details when only part of a number is available.
Country: 🇳🇱 NL
Country Code: +31
Carrier: KPN
Prefix: 4389
Location: Maastricht
Coords: 50.8579855, 5.6969882
Area Code Page: +31 4389
Comments: Disabled for area-code pages
Example: +31 4389 *** ***
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+31 4389 is an area code/prefix that appears to be associated with Maastricht. It may be assigned to multiple phone numbers within that region.
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Carrier information for this prefix: KPN. In some cases multiple carriers may use similar prefixes.
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