search by area code 4

https://wiki-site.win/index.php/How_Phone_Number_Location_Data_Works_and_Why_It_Matters

If you're trying to find someone's location or service availability, searching by area code narrows things down fast. Instead of scrolling through all listings, you just enter those three digits and immediately see results tied to that specific region. It's super handy for local calls, checking coverage, or verifying if a number is truly nearby.