T-Mobile is present at 2,768 addresses in Konstancin-Jeziorna according to our database. Konstancin-Jeziorna is a city of 16,777 inhabitants in the mazowieckie voivodeship. Compare T-Mobile plans available at your address, check speeds, prices and total contract cost.
Based on wholesale operator registries in our database. Actual operator coverage may be wider.
Price includes e-invoice and marketing consent discount. Prices as of 25/07/2026. Prices shown do not include potential line maintenance fees. To check the actual cost, use the "Check availability" button — we'll verify if the offer is available at your address. You'll discuss the details with an operator representative.
Information presented does not constitute a commercial offer within the meaning of Art. 66 § 1 of the Polish Civil Code, but an invitation to negotiate (Art. 71 CC).
Price includes e-invoice and marketing consent discount. Prices as of 25/07/2026. Prices shown do not include potential line maintenance fees. To check the actual cost, use the "Check availability" button — we'll verify if the offer is available at your address. You'll discuss the details with an operator representative.
Information presented does not constitute a commercial offer within the meaning of Art. 66 § 1 of the Polish Civil Code, but an invitation to negotiate (Art. 71 CC).
Price includes e-invoice and marketing consent discount. Prices as of 25/07/2026. Prices shown do not include potential line maintenance fees. To check the actual cost, use the "Check availability" button — we'll verify if the offer is available at your address. You'll discuss the details with an operator representative.
Information presented does not constitute a commercial offer within the meaning of Art. 66 § 1 of the Polish Civil Code, but an invitation to negotiate (Art. 71 CC).
Price includes e-invoice and marketing consent discount. Prices as of 25/07/2026. Prices shown do not include potential line maintenance fees. To check the actual cost, use the "Check availability" button — we'll verify if the offer is available at your address. You'll discuss the details with an operator representative.
Information presented does not constitute a commercial offer within the meaning of Art. 66 § 1 of the Polish Civil Code, but an invitation to negotiate (Art. 71 CC).
Price includes e-invoice and marketing consent discount. Prices as of 25/07/2026. Prices shown do not include potential line maintenance fees. To check the actual cost, use the "Check availability" button — we'll verify if the offer is available at your address. You'll discuss the details with an operator representative.
Information presented does not constitute a commercial offer within the meaning of Art. 66 § 1 of the Polish Civil Code, but an invitation to negotiate (Art. 71 CC).
T-Mobile is one of the leading internet providers in Konstancin-Jeziorna. Their offer in this area includes fast broadband connections suitable for families, remote workers and gamers. Our database shows T-Mobile at 2,768 addresses in Konstancin-Jeziorna, actual coverage may be wider. Compare prices and speeds to find the plan that fits your needs.
Check T-Mobile offers in neighbouring towns and localities around Konstancin-Jeziorna.
Compare offers from every operator in our database available in Konstancin-Jeziorna.
Guides and comparisons about internet & TV
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Pick your TV channels, enter your address, we'll show you the internet & TV bundles that include them, available at your location. Automatic selection of the cheapest package combination.
Cross-section of T-Mobile's cheapest plans over the last months (total contract cost ÷ contract length, incl. default equipment and the line-maintenance fee). House (SDU) prices include the single-family surcharge.
In July 2026, the cheapest T-Mobile plan in Konstancin-Jeziorna costs on average 35 PLN/mo (300 Mb/s); the priciest reaches 55 PLN/mo (900 Mb/s).
Over the last 12 months the average price rose by 13%. The chart shows 2 speed profiles for multi-family buildings on a 24-month contract.
