A promotional website for 3-1-1 in Akron described the distinction as follows: "Burning building? This system is intended to extend the system such that true emergency callers are answered quickly with highest priority.
The largest 3-1-1 operation in North America operates in Toronto, which was implemented in 2009. The first Canadian 3-1-1 service opened in Calgary, Alberta on .
Be equipped with these and approach women differently.
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In the United States, 311 was sometimes used as a fictitious area code in Bell System advertisements depicting telephones; often the phone in the advertisement would bear the specific number Area Code 311 555-2368.