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The prefix +31 3813 serves the region of Zwolle.
Known carrier for +31 3813: "KPN".
Ringbat database places +31 3813 at coordinates (52.5089759, 6.0943765).
Partial number searches match area-code pages like this — helpful if only the start of a number is known.
Country: 🇳🇱 NL
Country Code: +31
Carrier: KPN
Prefix: 3813
Location: Zwolle
Coords: 52.5089759, 6.0943765
Area Code Page: +31 3813
Comments: Disabled for area-code pages
Example: +31 3813 *** ***
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+31 3813 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.
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