: a telephone service that allows a subscriber to identify the telephone number of a caller before answering the call
called also caller identification
Examples of caller ID in a Sentence
a phone system with caller ID
Recent Examples on the Web
Eventually, even the wealthiest, most able and eager donor tires of seeing the same number pop on their caller ID.
—
Fort Worth Star-Telegram, 22 Feb. 2026
As the frequency of polling intensified and caller ID caught on, Americans ceased picking up the phone.
—David Frum, The Atlantic, 21 Feb. 2026
The caller ID listed the number as unknown but labeled it as coming from San Francisco.
—Jason Gewirtz, CNBC, 20 Jan. 2026
In the scam, someone pretending to be a Geneva police officer calls from a number that has been spoofed on caller ID to be the Geneva Polic Department number.
—Adam Harrington, CBS News, 11 Jan. 2026
See All Example Sentences for caller ID
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Fort Worth Star-Telegram, 22 Feb. 2026
As the frequency of polling intensified and caller ID caught on, Americans ceased picking up the phone.
—David Frum, The Atlantic, 21 Feb. 2026
The caller ID listed the number as unknown but labeled it as coming from San Francisco.
—Jason Gewirtz, CNBC, 20 Jan. 2026
In the scam, someone pretending to be a Geneva police officer calls from a number that has been spoofed on caller ID to be the Geneva Polic Department number.
—Adam Harrington, CBS News, 11 Jan. 2026
See All Example Sentences for caller ID
Cite this Entry
“Caller ID.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/caller%20ID. Accessed 28 Feb. 2026.
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caller ID
noun
: a telephone service that identifies the phone number of a caller
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