Star Codes (*67 & *69)
Dial *67 before someone's number to block your caller ID and appear as 'Private' — the anonymous call superpower every 90s kid knew. Dial *69 to find out who just called you and call them back. Two simple codes that transformed what you could do from a landline.
Landline 'vertical service codes' were part of the standard telecommunications vocabulary by the 1990s, and *67 and *69 were the two every kid knew. Dial *67 before a number to BLOCK your caller ID for that single call — your identity would show as 'Private' or 'Unknown' on the recipient's end. It was the essential tool for anonymous calls, screening, and pranks: you could probe a friend's line without revealing yourself, or hide from someone trying to avoid you. Dial *69 to activate 'Call Return,' which would dial back (and often read aloud) the last number that had called you — the perfect way to catch whoever had just hung up on you or find out who was behind a mystery call. These codes were so embedded in 90s culture that they appeared constantly in teen movies and TV shows, right alongside the plot device of someone *67-ing their crush.
Similar items
Caller ID Box
A little LCD slab that sat beside the phone and did exactly one thing: showed you who was calling before you picked up. For about a decade, knowing that required buying a second device and paying the phone company a monthly fee for the privilege. Then telephones learned to do it themselves and the box quietly vanished.
Pay Phones
Coin-operated public telephones on street corners, in malls, and outside every gas station — the fallback when you needed to call home or were out of pocket change. At their 1990s peak, the US had over 2 million payphones; by the 2010s, they'd nearly vanished.
1-800-COLLECT
Dial 1-800-COLLECT and let the operator know you're calling collect — MCI's dial-around service promised cheaper collect calls than your payphone's default carrier. One of the most aggressively advertised services of the 1990s, it burrowed into Gen X's brain via TV spots with celebrity spokespeople.
Prepaid Phone Cards
Scratch off the panel, punch in the PIN, dial the access number, and talk until your minutes ran out — prepaid phone cards were the pre-cell-plan answer to long-distance calls and international dialing. Stacked in convenience stores and gas stations, they were lifelines for travelers and immigrants.