bn:02331139n
Noun Concept
Categories: N11 codes, All articles needing additional references, Telecommunications-related introductions in 1996, Three-digit telephone numbers
EN
3-1-1  3-1-1 system  311 area code  311 service  3‒1‒1
EN
3-1-1 is a special telephone number supported in many communities in Canada and the United States. Wikipedia
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EN
3-1-1 is a special telephone number supported in many communities in Canada and the United States. Wikipedia
The telephone number of local information service operated by some local governments in the United States and Canada Wikipedia Disambiguation
Special phone number for municipal services Wikidata