Adc-Net Sławomir Duźniak
- 7 municipalities
- fibre and fixed wireless
- based in Bielsko-Biała
- operator since 2006
Updated: October 2026
Adc-Net Sławomir Duźniak is a fibre and fixed wireless provider based in Bielsko-Biała, registered as a telecom operator in 2006. It operates in 7 municipalities in śląskie voivodeship, including Bielsko-Biała and Szczyrk. Whether Adc-Net Sławomir Duźniak reaches your building is confirmed by the company itself.
Personal data processing, including address, is used solely to check service availability and match offers.
We do not compare Adc-Net Sławomir Duźniak offers. After you enter your address we will show Netia, Orange, Play, Plus and T-Mobile offers available in your building.
Where Adc-Net Sławomir Duźniak operates
Municipalities where Adc-Net Sławomir Duźniak sells internet, based on public registers.
Cities
- Bielsko-Biała
- Szczyrk
Municipalities by county
bielski county · 6 municipalities
- Buczkowice: Rybarzowice
- Jasienica: Mazańcowice
- Jaworze
- Kozy
- Szczyrk (town)
- Wilkowice: Wilkowice
Bielsko-Biała (city county) · 1 municipality
In rural municipalities we also list localities where the company had its own network in 2021.
Technologies and company details
- Registered name
- ADC-NET DUŹNIAK SŁAWOMIR
- Technologies
- fibre and fixed wireless
- Registered office
- Bielsko-Biała, śląskie
- Registered since
- 2006
- Tax ID (NIP)
- 5471803296
- Telecom operator register number
- 6266
- Website
- www.adcnet.com.pl
Other providers in these municipalities
60 other providers operate in these municipalities, including Netia, Orange, Play, Plus and T-Mobile, whose offers we compare. Full lists and offer comparisons are on the locality pages.
Check your address
We will show offers from the operators we compare that are available in your building, with the cost of the whole contract.
Check addressBased on public registers of the Ministry of Digital Affairs and UKE, updated: October 2026.