Enter a number in E.164 format (for example +441952612345)
The prefix +7 8421 serves the region of Ulyanovsk.
The prefix +7 8421 is operated by "Rostelecom".
The area code location is mapped at (54.3150278, 48.403373).
Partial number searches match area-code pages like this — helpful if only the start of a number is known.
Country: 🇷🇺 RU
Country Code: +7
Carrier: Rostelecom
Prefix: 8421
Location: Ulyanovsk
Coords: 54.3150278, 48.403373
Area Code Page: +7 8421
Comments: Disabled for area-code pages
Example: +7 8421 *** ***
If you have a full number, use the search box above to view the number-specific page.
+7 8421 is an area code/prefix that appears to be associated with Ulyanovsk. 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: Rostelecom. 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.
Lookups help you prevent spam calls and identify important or suspicious contacts.
Community reports make unknown calls easier to understand.
Tip: Always verify unknown callers before responding.
You can search numbers internationally for global insights.
Combined with carrier info, area codes help pinpoint likely sources.
Copyright © 2025 Ringbat. International Reverse Phone Number Lookup. Legal / DMCA