Party Line Telephone

The bane of rural telephony for about a century from the late 1800's onward, the party line telephone is a low-cost but inferior grade of landline service on which a telephone company has connected multiple subscribers to the same physical line. More Tin Can Telephone than Shoe Phone, these were the bane of every rural road, every college dormitory and maybe a few 1940s or 1950s outer suburbs in the early years in which many of them still had well water, septic tanks and rural-style infrastructure.

Picking up the handset when a neighbour is currently making a call gives not a dial tone but an opportunity to hear both sides of their conversation. Drop What You Are Doing without hanging up properly first, and you've tied up the entire line for your neighbours too. The shared line was fodder for newspaper etiquette columnists for decades. If someone needs to call the emergency services? They cannot, until whomever is already on the telephone ends the call. If they'd put a motorcar into a ditch far out into the countryside? They may have had to walk a country mile just to reach a farmhouse which had the party line telephone.

And the gossip that's fuelled by all of the neighbours being able to hear each other's calls? That could pretty much be a trope in itself... especially in small-town rural areas where everyone knew everyone else already.

In rural communities, many subscribers were glad just to have a telephone at all; in a few places, they had to run their own wires as far as the main road just to connect to the utility services. In both world wars, shortages of copper and strategic metals meant that these were the only lines available to most new subscribers, with shortages continuing in many areas for a few years after the armistice. In the most remote rural areas in the 1930s and 1940s, ten or more subscribers on one line was not uncommon – and a call to one of the phones often sent half (or all) of them ringing in some particular pattern. The furthest points in the desert may have had "toll stations" - phones where every call in or out had to go through the long-distance operator as the lone telephone line had no local calling area at all. In the most truly remote places, even a Pay Phone might be sharing the same line with everyone else... and there would be no Cell Phone service in the most remote places, even today.

Most of the rapidly-growing suburbs upgraded to private lines and city-style infrastructure relatively quickly, but some universities kept the party lines in student residence rooms until the late 1980's, when their inability to support client-owned equipment like modems and answering machines became a troublesome limitation. Those same dormitories (which, if constructed in the 1950s, often originally had one pay phone per floor and no in-room telephones) may well now have hard-wired broadband network connections in every room.

The last holdouts were, predictably, rural with maybe five thousand US subscribers still connected to some form of party line at the turn of the millennium. Even there, party lines were rapidly dying as they didn't qualify for most government rural infrastructure subsidies; mobile service is now available in at least a few of the rural areas which once had party lines, and the adoption of fixed-wireless (or, in very remote areas, satellite) Internet was the final nail in the party line coffin. Arguably, the worst of the rural Internet is still a poor-quality shared connection, but at least neighbours are no longer hearing each other's conversations when they pick up the receiver to try to make a call.

Advertising

 * Various telephone "chat lines" or conference bridges are prone to promote themselves as "party lines" in advertising, but this is a misnomer. A conference bridge merely joins multiple calls which arrive separately on individual private lines.

Film

 * Party Wire (1935) is about Gossip Evolution. A lad is in a romantic relationship with a local gal; the moment he makes a sudden-and-unexplained trip out of town, the local gossip mill spins into overdrive, arbitrarily speculating that he has fled due to causing an accidental pregnancy.
 * Pillow Talk (1959), a romantic comedy, tells the story of interior decorator "Jan Morrow" (Doris Day) and womanizing composer/bachelor "Brad Allen" (Rock Hudson), a pair of apartment dwellers who share a telephone party line.

Literature

 * The Dunwich Horror (H. P. Lovecraft, 1928) uses the party-line telephones to warn the townsfolk of a monster afoot in Dunwich, a fictional town in Massachusetts.
 * The Party Line (Sue Orr, 2015) is a novel about a 1970s New Zealand farming community with share-milkers, calf club days and a 'do' in the local hall. There is an established local pecking order and everyone knows everyone else's business.
 * The Party Line (Karen Alkofer, 2014) describes an American teenager (a daughter of a defence contractor's worker) whose family has been posted to 1977-era Tehran. She picks up the telephone one night to hear her downstairs neighbours discussing the imminent Iranian Revolution.

Live-Action TV

 * Alfred Hitchcock Presents ("Party Line", 29 May 1960, Season 5) devotes an episode to a party line subscriber (Helen Parch) who shares a line with two neighbours, Betty and Emma. Helen hears that Heywood Miller is back in town; when she formerly shared a party line with him, his wife died after Helen refused to get off the phone so he could call the hospital. Helen is terrified that Heywood is coming to kill her and, hearing noise coming from her basement, she tries to call police. Unfortunately, Betty and Emma refuse to believe that she is in danger and stay on the phone while Heywood appears upstairs to kill Helen.
 * Dennis the Menace ("Party Line Trouble", 15 May 1960, Season 1, Episode 29) devotes an episode to a new neighbour's moving day. Dennis and his pals have gotten into the empty house and kept themselves busy by making constant calls on the newly-installed phone. Dennis' father, fed up with all the yakking on his party line, decides to in no uncertain terms tell the phone-hog off – only to find he's now talking to his new neighbor sharing the connection.