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A Gazetteer for the United States and Canada
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Welcome to Arlington Heights ...

Arlington Heights is located in New Haven County<1>.

A typical abbreviation for Arlington Heights: Arlington Hts. (in Canada, 'Hgts.' is the more common abbreviation.)

Time Zone: Arlington Heights lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time

Area Codes for Arlington Heights: 203 & 475<2>

Communities Also Named Arlington Heights ...

Using our Gazetteer, we found that there are 19 communities that are also named Arlington Heights - they are located in California, Florida (2), Illinois (2), Kansas, Kentucky, Massachusetts, Ohio (3), Pennsylvania, Texas (3), Utah, Virginia (2) and Washington.

For more information, see our Tidbits & Trivia Page for Arlington Heights.

Footnotes ...

<1>If you're interested in how the shape of Connecticut's counties, including New Haven, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>When there's a risk of an area code running out of phone numbers, an 'Overlay Area Code' is created that has the same geographic boundaries as the existing area code. In this case, the 203 code has been Overlayed with the 475 area code. New phone numbers in the Arlington Heights area will be assigned with one of these codes: 203 or 475. As a result, placing a call in the Arlington Heights area will require 10-digit dialing (where you enter both the area code and then the phone number).