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According to Ringbat data, +31 3057 operates within Utrecht and nearby areas.
The prefix +31 3057 is operated by "KPN".
Mapped location for +31 3057 is (52.0907006, 5.1215634).
Use this area-code page to access location, carrier, and prefix info for partial phone numbers.
Country: 🇳🇱 NL
Country Code: +31
Carrier: KPN
Prefix: 3057
Location: Utrecht
Coords: 52.0907006, 5.1215634
Area Code Page: +31 3057
Comments: Disabled for area-code pages
Example: +31 3057 *** ***
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+31 3057 is an area code/prefix that appears to be associated with Utrecht. It may be assigned to multiple phone numbers within that region.
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Carrier information for this prefix: KPN. In some cases multiple carriers may use similar prefixes.
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