Prefix 660 — page 12

Operator assigned prefix 660

According to the CNMC numbering register, every assigned block of prefix 660 belongs to Movistar: 1,000,000 of its 1,000,000 numbers.

• Movistar1 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 660 activity on NoCall

Between 27 Oct 2026 and 6 Nov 2026 (11 measured days), 1,524 distinct numbers with this prefix were looked up. Adding up, day by day, the distinct IPs that looked one up gives 65 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 660

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.