Which provider serves your apartment is often settled before you move in. Buildings sign access agreements with a carrier, and the wiring that was run at the time determines what can physically reach your unit. In older walk-ups and prewar buildings, that wiring was installed decades ago.
If you live in such a building, two things follow. The choice presented to you is narrower than the market suggests, and changing it means asking the building rather than the provider.
What this does not prevent is IPTV. A Strong 8K subscription runs over whatever broadband reaches your apartment, so it needs no second line, no new wiring through the risers and no approval from the board or the managing agent.
Residents of newer buildings and houses across the boroughs have the straightforward version of this choice: keep the package, or replace it.
How do you find out what your building allows? The access agreement sits with the owner or the managing agent rather than with you, so it rarely appears on anything you signed. The agent can tell you which carriers have been admitted, and the riser closet usually shows what was actually run.
What those agreements cover varies more than people expect. Some give one carrier exclusive access to the risers. Others admit two but only one was ever wired through. A few bundle a basic television tier into the rent or the maintenance charge, which you pay whether you watch it or not.
For that last kind, the practical question is what happens at renewal. Those agreements are negotiated by the owner or the board, not by individual residents, and the moment to raise it is the meeting before that decision rather than after.
None of this blocks IPTV in the meantime. The subscription needs the connection already in your apartment and nothing else: no second line to install, no cable to pull through common areas, no permission to request. A resident in a bundled building can start tonight and settle the bundled charge separately.
Density adds one consideration of its own. In a building where several dozen apartments share the same upstream capacity, the evening is when that capacity is tested. A wired connection to the main television matters more here than in a house.