01 India Phone Number Lookup

01 is a India landline / fixed line with country code +91. The number prefix is associated with Indian fixed-line service range. There are no direct community reports yet.

There are no direct reports for 01 yet, so WhoseNo cannot confirm from user feedback whether the call was legitimate or not. Across the wider 01 range, about 17% of tracked reports are negative.

The prefix suggests the number was originally issued to Indian fixed-line service range (landline). India supports number portability, so the current operator can be different from the original assignment.

01 belongs to India (country code +91).

01 is classified as a landline / fixed line. This looks like a fixed-line number in India. For countries with area codes, the opening digits often point to the geographic service area.

If this was unexpected and no voicemail was left, ignoring the call is usually safer than calling back immediately. Never share passwords, OTPs, banking details, or identity documents with an unknown caller.

On iPhone, open Phone > Recents, tap the info icon next to 01, then choose Block this Caller. On Android, open the Phone app, select the call, open the menu, and choose Block or Report spam. Unknown callers can still spoof Indian landline IDs, so verify urgent requests independently before responding. Report promotional spam through 1909 or the TRAI DND app. Use Sanchar Saathi / Chakshu for suspected fraud communication or spoofed calls, and use 1930 or cybercrime.gov.in if money, OTPs, or credentials are involved. No legitimate telecom support call should ask you to dial call-forwarding codes such as *401#.

To call 01 from outside India, dial your international access code or +, then 91, then the national number: +91 1