Enter a number in E.164 format (for example +441952612345)
Area code +31 3874 covers Zwolle and surrounding areas.
The prefix +31 3874 is operated by "KPN".
The area code location is mapped at (52.5089759, 6.0943765).
Use this area-code page to access location, carrier, and prefix info for partial phone numbers.
Country: 🇳🇱 NL
Country Code: +31
Carrier: KPN
Prefix: 3874
Location: Zwolle
Coords: 52.5089759, 6.0943765
Area Code Page: +31 3874
Comments: Disabled for area-code pages
Example: +31 3874 *** ***
If you have a full number, use the search box above to view the number-specific page.
+31 3874 is an area code/prefix that appears to be associated with Zwolle. 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.
Lookups help you prevent spam calls and identify important or suspicious contacts.
Community reports make unknown calls easier to understand.
Verify a caller’s identity to prevent fraud or unwanted solicitations.
International numbers can be tracked to find the country, region, and carrier.
Combined with carrier info, area codes help pinpoint likely sources.
Copyright © 2025 Ringbat. International Reverse Phone Number Lookup. Legal / DMCA