Enter a number in E.164 format (for example +441952612345)
Our database confirms that +31 2356 is assigned to Haarlem.
Known carrier for +31 2356: "KPN".
Ringbat database places +31 2356 at coordinates (52.3885317, 4.6388048).
These pages show detailed information for area codes, even when the full number is unknown.
Country: 🇳🇱 NL
Country Code: +31
Carrier: KPN
Prefix: 2356
Location: Haarlem
Coords: 52.3885317, 4.6388048
Area Code Page: +31 2356
Comments: Disabled for area-code pages
Example: +31 2356 *** ***
If you have a full number, use the search box above to view the number-specific page.
+31 2356 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.
You can check unknown numbers to confirm if the caller is legitimate or not.
Phone lookups are a smart way to screen unknown calls and protect yourself.
Sharing your experience helps other users identify suspicious numbers.
Stay cautious when receiving calls from numbers you don’t recognize.
Global phone lookups help identify calls from foreign numbers.
Area codes give clues about where the call originated.
Copyright © 2025 Ringbat. International Reverse Phone Number Lookup. Legal / DMCA