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According to Ringbat data, +31 1663 operates within Tholen and nearby areas.
Known carrier for +31 1663: "KPN".
Ringbat database places +31 1663 at coordinates (51.5708501, 4.0761428).
These pages show detailed information for area codes, even when the full number is unknown.
Country: 🇳🇱 NL
Country Code: +31
Carrier: KPN
Prefix: 1663
Location: Tholen
Coords: 51.5708501, 4.0761428
Area Code Page: +31 1663
Comments: Disabled for area-code pages
Example: +31 1663 *** ***
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+31 1663 is an area code/prefix that appears to be associated with Tholen. 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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