Numbers with prefix 691 in Spain
691 is a mobile prefix.
The NoCall community has flagged 1,135 numbers with the 691 prefix: see which ones are spam or telemarketing.
This page shows information about numbers beginning with 691 in Spain. If you received a call from an unknown number with this prefix, search the full number in our database to read community reports and comments. Mobile. Cost: Normal.
Search a number with prefix 691
Search a phone number or a company name (Amazon, PayPal, DHL, Microsoft...) to check if it has been reported as spam.
Operator assigned prefix 691
According to the CNMC numbering register, every assigned block of prefix 691 belongs to Orange: 1,000,000 of its 1,000,000 numbers.
- Orange10 blocks · 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 691 activity on NoCall
Between 27 Oct 2026 and 6 Nov 2026 (11 measured days), 9,368 distinct numbers with this prefix were looked up. Adding up, day by day, the distinct IPs that looked one up gives 63 lookups.
See the daily figures
| Day | Distinct IPs |
|---|---|
| 27 Oct 2026 | 15 |
| 28 Oct 2026 | 10 |
| 29 Oct 2026 | 6 |
| 30 Oct 2026 | 9 |
| 31 Oct 2026 | 9 |
| 1 Nov 2026 | 1 |
| 2 Nov 2026 | 2 |
| 3 Nov 2026 | 2 |
| 4 Nov 2026 | 7 |
| 5 Nov 2026 | 1 |
| 6 Nov 2026 | 1 |
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 691
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.
About numbers 691
Mobile. Cost: Normal. A prefix describes an allocation. Portability and caller-ID spoofing mean it cannot identify the caller on its own.
Source and review
Secretaría de Estado de Telecomunicaciones e Infraestructuras Digitales · Document: 2021-02-18 · Reviewed: 2026-08-09
A prefix describes an allocation. Portability and caller-ID spoofing mean it cannot identify the caller on its own.
