Enter a number in E.164 format (for example +441952612345)
Our database confirms that +420 4742 is assigned to Ústí nad Labem Region.
Known carrier for +420 4742: "O2 Czech Republic".
Ringbat database places +420 4742 at coordinates (50.5663266, 13.8206705).
Searching a number prefix can reveal carrier and location info from Ringbat's database.
Country: 🇨🇿 CZ
Country Code: +420
Carrier: O2 Czech Republic
Prefix: 4742
Location: Ústí nad Labem Region
Coords: 50.5663266, 13.8206705
Area Code Page: +420 4742
Comments: Disabled for area-code pages
Example: +420 4742 *** ***
If you have a full number, use the search box above to view the number-specific page.
+420 4742 is an area code/prefix that appears to be associated with Ústí nad Labem Region. 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: O2 Czech Republic. 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.
Pro tip: Checking comments can help you avoid unwanted calls.
Reverse lookup works across multiple countries to provide accurate info.
Using the area code, you can often identify the general location of the number.
Copyright © 2025 Ringbat. International Reverse Phone Number Lookup. Legal / DMCA