Look up any phone number starting with 645 to identify the owner name, address, spam reports, and more. The 645 area code serves Miami, Miami-Dade County, and the part of Monroe County in the Florida Keys in Florida.
Enter a full 10-digit number to identify the caller and whether it has been reported as spam.
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Phone numbers with the 645 area code prefix originate from southern Florida, encompassing Miami, Miami-Dade County, and the Florida Keys area within Monroe County.
Area code 645 is part of an overlay system that serves the same geographic region as area codes 305 and 786 . Area code 305 was the original code for this region. Area code 786 was installed as an overlay on March 1, 1998, and area code 645 was activated on August 4, 2023, before the anticipated exhaustion of central office codes in 305 and 786. Within this overlay system, ten-digit dialing is required for calls.
Area code 645 is a general purpose code which was placed in service on August 4, 2023.
Our Florida phone number lookup for the 645 area code analyzes the three-digit prefix to identify the initially assigned telecommunications company and rate center. This prefix code data may help to determine the U.S. carrier, Florida geographic region, and local calling area associated with the phone number.
Phone numbers follow the following structure under the North American Numbering Plan:
Understanding the area code can help you determine if a call is local to your area. However, keep in mind that due to mobile number portability and VoIP services, the caller may be anywhere in the United States, so it’s best to search for the most recent phone number details.
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Carrier names have been updated from their original FCC assignments to reflect current companies following mergers, acquisitions, and rebranding. Updates were determined using AI-assisted research and may not be accurate or reflect up to date changes. This data is provided without warranties of accuracy or completeness.
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