Prefix 671 — page 6

Operator assigned prefix 671

According to the CNMC numbering register, every assigned block of prefix 671 belongs to Vodafone: 1,000,000 of its 1,000,000 numbers.

• Vodafone1 block · 1,000,000 numbers · 100% of the prefix

Because of number portability, a given number may have moved to another operator after the assignment. Source: Comisión Nacional de los Mercados y la Competencia (CNMC)

Prefix 671 activity on NoCall

Between 27 Oct 2026 and 6 Nov 2026 (11 measured days), 1,028 distinct numbers with this prefix were looked up. Adding up, day by day, the distinct IPs that looked one up gives 71 lookups.

Each bar is the number of distinct IPs that searched NoCall (web or app) for any number with this prefix that day (UTC days); an IP counts once a day however many numbers it looks up, and it may be a bot. Days without a complete measurement are left empty. Reports are only those sent by NoCall users and approved after review (no imported data or comments), counted per distinct user, and are shown from 3 users. A lookup does not mean the number is a scam. Updated on 7 Nov 2026

No numbers reported with prefix 671

We do not have public reports for this prefix yet. Try searching a full number or submit a report if you just received a suspicious call.