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Our database confirms that +31 2311 is assigned to Haarlem.
Known carrier for +31 2311: "KPN".
Geolocation for this prefix: (52.3885317, 4.6388048).
Ringbat creates area-code pages to provide details when only part of a number is available.
Country: 🇳🇱 NL
Country Code: +31
Carrier: KPN
Prefix: 2311
Location: Haarlem
Coords: 52.3885317, 4.6388048
Area Code Page: +31 2311
Comments: Disabled for area-code pages
Example: +31 2311 *** ***
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+31 2311 is an area code/prefix that appears to be associated with Haarlem. 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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