Friday, 9 January 2009

Pennsylvania 6-5000

On his blog, my friend Skip posted a joke which made reference to STDs. In the context of the joke, that meant sexually transmitted diseases but I queried if it was subscriber trunk dialling. I'm not sure if Skip realised that really is (or was) a well-known abbreviation over here. History lesson coming up.

Back in the so-called good old days one could make a telephone call to a local exchange by dialling the first three letters of the exchange name followed by the number. For example, WHItehall 1212 was the number for Scotland Yard. A call to anything other than a local exchange was known as a trunk call. These had to be placed through the operator at the local telephone exchange. Then came a breakthrough. Using what was known as subscriber trunk dialling a person in, say, Southampton could dial a number in, say, Newcastle direct - without going through the operator.

I wonder if Pennsylvania 6-5000 was ever a real phone number?

1 comment:

  1. I don't remember it having a name, but that's pretty much how our phone system worked too.
    Knowing how we think over hear, we can't be bothered with using official terminology so we called it "Dialing 0."

    ReplyDelete