Numbers with prefix 843 in Spain
843 is a landline prefix for Guipúzcoa / Gipuzkoa.
The NoCall community has flagged 128 numbers with the 843 prefix: see which ones are spam or telemarketing.
This page shows information about numbers beginning with 843 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. Landline Guipúzcoa / Gipuzkoa. Cost: Normal.
Search a number with prefix 843
Search a phone number or a company name (Amazon, PayPal, DHL, Microsoft...) to check if it has been reported as spam.
Operators with numbering in prefix 843
According to the CNMC numbering register, the numbering of prefix 843 is split between 35 operators (213,000 of 1,000,000 numbers assigned).
- Orange4 blocks · 40,000 numbers · 4% of the prefix
- Movistar2 blocks · 20,000 numbers · 2% of the prefix
- Alai Operador De Telecomunicaciones1 block · 10,000 numbers · 1% of the prefix
- Bt Global Ict Business Spain1 block · 10,000 numbers · 1% of the prefix
- Colt Technology Services1 block · 10,000 numbers · 1% of the prefix
- Digi1 block · 10,000 numbers · 1% of the prefix
- Duocom Europe1 block · 10,000 numbers · 1% of the prefix
- Instal Matel1 block · 10,000 numbers · 1% of the prefix
- R1 block · 10,000 numbers · 1% of the prefix
- Sarenet1 block · 10,000 numbers · 1% of the prefix
- Sewan España1 block · 10,000 numbers · 1% of the prefix
- Twilio Ireland1 block · 10,000 numbers · 1% of the prefix
- and 23 more operators
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 843 activity on NoCall
There is not enough data to show daily activity yet. The chart appears with at least 7 measured days, 50 lookups (distinct IPs per day) and 10 distinct numbers looked up in the last 30 days.
See every Guipúzcoa / Gipuzkoa area code
No numbers reported with prefix 843
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 843
Landline Guipúzcoa / Gipuzkoa. 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.
