Fastar
- 7 municipalities
- fibre
- based in Grójec
- operator since 2021
Updated: October 2026
Fastar is a fibre provider based in Grójec, registered as a telecom operator in 2021. It operates in 7 municipalities in mazowieckie voivodeship. Whether Fastar 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 Fastar offers. After you enter your address we will show Netia, Orange, Play, Plus and T-Mobile offers available in your building.
Where Fastar operates
Municipalities where Fastar sells internet, based on public registers.
Municipalities by county
In rural municipalities we also list localities where the company had its own network in 2021.
Technologies and company details
- Registered name
- FASTAR SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
- Technologies
- fibre
- Registered office
- Grójec, mazowieckie
- Registered since
- 2021
- Tax ID (NIP)
- 7972074981
- Telecom operator register number
- 12967
- Website
- www.fastarswiatlowod.pl
Other providers in these municipalities
67 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.