Prefix 77: numbering blocks and phone lookup

The prefix 77 is part of the India mobile numbering structure. This page helps you explore all known numbering blocks associated with this prefix, including operator references, telecom regions and available phone number ranges.

From here, you can move into more specific 5-digit numbering blocks, which provide a more precise view of how numbers are allocated inside this prefix.

If you are investigating a specific number, the next step is to open the relevant block or go directly to the phone page.