Enter a number in E.164 format (for example +441952612345)
Area code +31 2399 covers Haarlem and surrounding areas.
Known carrier for +31 2399: "KPN".
Coordinates for +31 2399 are (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: 2399
Location: Haarlem
Coords: 52.3885317, 4.6388048
Area Code Page: +31 2399
Comments: Disabled for area-code pages
Example: +31 2399 *** ***
If you have a full number, use the search box above to view the number-specific page.
+31 2399 is an area code/prefix that appears to be associated with Haarlem. It may be assigned to multiple phone numbers within that region.
Yes — use Ringbat's number search to look up a full number. This area-code page helps when only part of a number is known.
Carrier information for this prefix: KPN. In some cases multiple carriers may use similar prefixes.
A reverse phone lookup helps you identify the person or business behind an unknown number.
Phone lookups are a smart way to screen unknown calls and protect yourself.
Ringbat provides community-powered insights. Leave a comment to help others.
Reminder: Use public data to stay informed and avoid scams.
Reverse lookup works across multiple countries to provide accurate info.
Combined with carrier info, area codes help pinpoint likely sources.
Copyright © 2025 Ringbat. International Reverse Phone Number Lookup. Legal / DMCA