STD Full Form | Std Long Form

STD Full Form 

STD  full form "Subscriber Trunk Dialing", and STD full form also means Subscriber Trunk Dialing, STD  full form  "Subscriber Trunk Dialing", allows you to make long-distance phone calls outside a particular range without operator assistance. The term STD is used in Britain, India, Australia, Pakistan, Afghanistan, Republic of Ireland and Southeast Asia. Friends in the USA, it is called Direct Distance Dialing.

STD  full form

STD  full form "Subscriber Trunk Dialing", The STD scheme was first started in 1958 and the plan was completed in 1979. This scheme specifies the STD code for each region, formally called the region code. As you know, and when you call outside the country, then you have to dial these codes.

STD  full form "Subscriber Trunk Dialing".

With the help of STD, you get the facility to call. But this is another thing, in today's time, it is being used sparingly, because now the smartphone has replaced the calling, people prefer to text more, but in villages and countryside areas, you still have them. The trend will be seen.

STD  full form STD is related to telephone and what is the meaning of telephone then we all know that it is used to talk to a person from one place to another, although in Hindi language STD has two meanings which are We have told you, but apart from this, there is another STD  full form in medical science which is called sexually transmitted disease in English and sexually transmitted disease in Hindi which is a disease.

STD Full-Form | Std Long Form

STD  full form  After starting the service of STD, all cities were given a 3 digit code and this code was used to call only in that city and the codes of select cities of that time are as follows -

1.London 01

2.Glasgow 041

3.Liverpool 051

4.Birmingham 021

5.Edinburgh 031

6.Manchester 061

Guys if this info is helpful for you then pls let me know in the comments.