Find who called from (720) 543

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1-720-543 is a Landline phone number prefix hosted by the carrier Peerless Network Of Colorado, Llc - Co. Most numbers are registered in Denver, CO, ZIP code 80202, located in Denver County. 203 total U.S. phone numbers are listed under this prefix. For scam or spam calls from the 720 area code or (720) 543 prefix, use Whitepages Reverse Phone Lookup or the mobile app to identify and block unwanted callers. Reverse lookup nearby Colorado prefixes for 720-543 phone numbers using 720-542 and 720-544.