International Calling Terms

A dialing code used to initiate a domestic long-distance or international call

For calling cards, a phone number used to connect to the card company's network

A dialing code that designates a specific geographic region within a country

Refers to the signal integrity and fidelity in a voice phone call

A way to buy prepaid minutes for international or domestic calls

Sometimes used instead of 'area code', but more properly refers to UN/LOCODE codes

A calling card with minimal or no extra fees or hidden charges

A unique code that identifies the destination country you are calling

Acronym for 'direct inward dialing' - basically a kind of phone number set up largely to receive inbound calls

A kind of phone number set up mostly to receive inbound calls. aka 'DID' or 'virtual number'.

Acronym for 'international access code'. A dialing code used to initiate an international telephone call.

Acronym for 'International Direct Dialing'; used to initiate an international phone call

Calls made to other subscribers to the same phone service (most commonly mobile or VoIP)

A dialing code used to initiate an international telephone call

Dialing code used to initiate an international call; acronym is IDD

A multi-part phone number normally including an IDD, country code, area code, and local subscriber number

Abbreviated as ISD. Same as country code, but less widely used.

A phone call made using a VoIP service over the internet

A technology for making telephone calls over the internet. Same as VoIP.

Acronym for 'international subscriber dialing'; same as 'country code'

Acronym of 'long distance charging area'; refers to domestic calls made outside your local area code

For calling cards, an access number within the caller's local dialing area

A unique phone number assigned to an individual phone within an area code

A virtual number that looks like a normal local telephone number

Specialized part of a phone network designed for carrying calls over very long distances

A dialing code used to initiate a domestic long distance call

Abbreviated as 'NDD'. A dialing code for initiating a domestic long-distance phone call.

Acronym for 'national direct dial'. A dialing code used to initiate a domestic long-distance telephone call.

Calls made to / from people who are not customers of your service provider (most commonly mobile or VoIP)

A way to buy prepaid minutes for international or domestic calls

'public switched telephone network' - i.e., the normal telephone network used for voice calls

Acronym of 'short distance charging area'; basically the area within an area code

Acronym for 'subscriber trunk dialing' code; means same thing as 'area code'.

For calling cards, an access number that can be dialed toll-free by the caller, but card company often applies a surcharge

A virtual number that receives inbound calls on a toll-free basis

A phone number used for forwarding calls onward to another number

A kind of technology used for making telephone calls over the internet. Acronym is VoIP.

A way of making phone calls using the internet. There are many types of VoIP services.