Disposing of an old phone is governed by state law rather than federal law. The result is a patchwork where the same action is routine in one state and prohibited in another.
Federal rules cover waste, not consumer electronics
Federal hazardous-waste regulation addresses materials and generators, and household discards are largely exempt from its strictest provisions.
Consumer electronics were never given a dedicated federal program, so states filled the gap individually beginning in the early years of the century.
Each state wrote its own definitions, which is why covered device lists differ over items as ordinary as monitors, printers and small battery-powered gadgets.
Landfill bans are the sharpest difference
Roughly half the states prohibit disposing of certain electronics in household trash, while the rest permit it and rely on voluntary collection.
Where a ban exists, enforcement usually falls on haulers and facilities rather than households, so the practical effect is on what collection services accept.
Residents near a state border can therefore face opposite rules within a few miles, with no visible signal that anything has changed.
Who pays determines how convenient it is
Many state programs use producer responsibility, requiring manufacturers to fund collection in proportion to what they sell into the state.
Others fund collection through retail fees paid at purchase, and a few rely on local government budgets and periodic collection events.
Funding model predicts convenience closely. Producer-funded programs tend to support permanent drop-off sites, while event-based programs concentrate access into a few days.
Lithium batteries changed the handling requirements
Cells embedded in phones, earbuds and toys can ignite when crushed, and fires at sorting facilities have been traced to devices placed in ordinary recycling bins.
Facilities have responded by refusing loose battery-containing items and directing them to dedicated collection points staffed to handle them.
This is now the most common reason a device is rejected at curbside, and it applies regardless of whether the state bans landfilling.
Data removal is not part of the program
Recycling regulations address materials, not information, and no state program guarantees that a device is wiped before it is processed.
Certified recyclers may offer data destruction, but it is a service they choose to provide rather than an obligation the statute imposes.
Erasing the device and removing its account association before handing it over is the only step that reliably addresses this, and it is entirely the owner's responsibility.