Interbiz
- 38 municipalities
- fibre and fixed wireless
- based in Płońsk
- operator since 2005
Updated: October 2026
Interbiz is a fibre and fixed wireless provider based in Płońsk, registered as a telecom operator in 2005. It operates in 38 municipalities, mainly in mazowieckie voivodeship, including Mława, Nowy Dwór Mazowiecki and Płońsk. Whether Interbiz 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 Interbiz offers. After you enter your address we will show Netia, Orange, Play, Plus and T-Mobile offers available in your building.
Where Interbiz operates
Municipalities where Interbiz sells internet, based on public registers.
37 in mazowieckie and 1 in warmińsko-mazurskie
Municipalities by county
Mazowieckie · 37 municipalities
mławski county · 8 municipalities
- Dzierzgowo
- Lipowiec Kościelny
- Mława (town)
- Strzegowo
- Stupsk
- Szydłowo
- Wieczfnia Kościelna
- Wiśniewo
płoński county · 8 municipalities
- Baboszewo
- Dzierzążnia
- Naruszewo: Zaborowo, Krysk, Radzyminek, Nacpolsk
- Nowe Miasto
- Płońsk (town)
- Płońsk
- Sochocin
- Załuski: Szczytno
sierpecki county · 5 municipalities
- Gozdowo
- Mochowo
- Sierpc
- Sierpc (town)
- Zawidz
nowodworski county · 4 municipalities
- Czosnów
- Nasielsk: Nowe Pieścirogi, Mogowo, Stare Pieścirogi
- Nowy Dwór Mazowiecki (town)
- Pomiechówek
płocki county · 4 municipalities
- Bielsk
- Brudzeń Duży
- Drobin
- Stara Biała
ciechanowski county · 3 municipalities
- Grudusk
- Regimin
- Sońsk
pułtuski county · 2 municipalities
- Gzy
- Świercze
warszawski zachodni county · 1 municipality
Warmińsko-mazurskie · 1 municipality
działdowski 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
- INTERBIZ SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
- Technologies
- fibre and fixed wireless
- Registered office
- Płońsk, mazowieckie
- Registered since
- 2005
- Tax ID (NIP)
- 5311712426
- Telecom operator register number
- 4663
- Website
- www.interbiz.net.pl
Other providers in these municipalities
72 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.