Welcome to Rock Island ...A typical abbreviation for Rock Island: Rock Is. (in Canada, 'Isld.' is the more common abbreviation.) Time Zone: Rock Island lies in the Central Time Zone (CST/CDT) and observes daylight saving time. The time zone in French: CST- Heure Normale du Centre (HNC), CDT- Heure Avancée du Centre (HAC). Area Codes for Rock Island: 204, 431 & 584<1> Communities Also Named Rock Island ...Using our Gazetteer, we found that there are 21 communities that are also named Rock Island - they are located in Florida (2), Idaho, Illinois, Indiana, Kansas (2), Massachusetts, Nevada, Oklahoma (2), Quebec, Tennessee, Texas (6), Virginia and Washington. For more information, see our Tidbits & Trivia Page for Rock Island. Footnotes ...
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