Communication

Articles about communication systems, signals and exchange of information.

Articles in this category: 956 Updated: April 29, 2026 Page 2 / 20

Area code 620

Area code 620 — Southern Kansas telephone area code

Area code 785

Area code 785 (northern Kansas)

Area code 802

Area code 802 — Vermont's statewide telephone prefix

Area code 808

Area code 869

Area code 989

Area codes 202 and 771

Area codes in Germany

Telephone area codes in Germany (Vorwahl)

Arecibo message

Arecibo Message (1974)

Armenian language

Armenian language: history, features, and modern varieties

Armenian is an Indo-European language that forms its own branch, uses a unique alphabet, and exists in Eastern and Western standard forms spoken in Armenia, the diaspora, and Nagor

Assamese language

Assamese language (অসমীয়া)

Asterisk

Asterisk (typographic symbol)

Asynchronous Transfer Mode

Asynchronous Transfer Mode (ATM) — fixed‑cell switching for QoS and carrier networks

At sign

At sign (@): origin, uses, and cultural significance

Audible

Australian English

Australian English: Overview, Features, History and Varieties

Australian Overland Telegraph Line

Austrian Sign Language

Austrian Sign Language (ÖGS)

Austroasiatic languages

Austroasiatic languages: overview, classification and significance

Azerbaijani language

Balochi language

Baltic languages

Balto-Slavic languages

Bandwidth

Bandwidth: definitions, types, measurement, and practical importance

Banner

Banner (flag or cloth display)

Bashkardi language

Bashkir language

Basic English

Basic English: an introduction to the 850-word controlled language

Basque language

Basque language (Euskara)

Baud

Baud — unit of symbol rate in telecommunications

BBC Radio 1

BBC Radio 2

Be (Cyrillic)

Belarusian language

Belarusian language: overview, history, writing systems, and contemporary status