Glossary of International Calling Terms

International calling terms are many and varied terms. As a result, the terminology used when talking about international calling, international phone numbers, and international telephone service can be very confusing.

While many international calling terms are used commonly worldwide, there are also many other terms that used only in certain regions or certain countries. As a result, it is easy to get confused about things.

We ourselves still get confused when we come across too many terms like IAC, STD, SDCA, and ISD in the same sentence.

The glossary of terms below is only a very rough effort to list and define some of the more commonly used terms. The list is by no means comprehensive. And the definitions offered may not even be accurate for all countries and situations, but hopefully they are correct for most circumstances.

International Calling Terms

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