Enter a number in E.164 format (for example +441952612345)
The prefix +31 4545 serves the region of Heerlen.
Carrier for this prefix: "KPN".
Ringbat database places +31 4545 at coordinates (50.8775239, 5.9815066).
Searching a number prefix can reveal carrier and location info from Ringbat's database.
Country: 🇳🇱 NL
Country Code: +31
Carrier: KPN
Prefix: 4545
Location: Heerlen
Coords: 50.8775239, 5.9815066
Area Code Page: +31 4545
Comments: Disabled for area-code pages
Example: +31 4545 *** ***
If you have a full number, use the search box above to view the number-specific page.
+31 4545 is an area code/prefix that appears to be associated with Heerlen. 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.
Reverse lookups allow you to see who is calling, whether it’s a friend, business, or spam.
Common reasons for lookups include avoiding telemarketing calls, blocking fraud attempts, or verifying business contacts.
Sharing your experience helps other users identify suspicious numbers.
Pro tip: Checking comments can help you avoid unwanted calls.
International numbers can be tracked to find the country, region, and carrier.
Location data adds context to unknown or suspicious calls.
Copyright © 2025 Ringbat. International Reverse Phone Number Lookup. Legal / DMCA