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/cloudfront-us-east-1.images.arcpublishing.com/gray/6TWPT3XZTFCOTNW3Z7E3AVMUFQ.jpg "Mandatory 10-digit local dialing starts Sunday in Colorado for those with 719 and 970 area codes")
Mandatory 10-digit local dialing starts Sunday in Colorado for those with 719 and 970 area codes
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970 Area Code Map, Where is 970 Area Code in Colorado
Denver metro area gets new 983 area code in June 2022 | 9news.com
