Cities in area code 645
Which places use area code 645? 5 rate centers in Florida, the biggest being Miami, North Dade, Homestead. Data below is NANPA's official prefix-to-rate-center mapping.
Miami, North Dade, Homestead, Keys and Perrine hold the largest prefix inventories. Each locality below links to its rate-center page with the full prefix list.
5 of the localities fall within FCC top-100 metropolitan statistical areas; the rest are smaller communities.
5 of these localities are also reachable through other area codes — overlay territory where the same place answers to several codes.
All of the code's territory keeps Eastern time.
Remember that people keep numbers when they relocate, so a 645 number is a where-it-was-issued fact, not a where-they-are fact.
| Locality (rate center) | Active prefixes | Metro area | All codes serving it |
|---|---|---|---|
| Miami | 35 | Miami-Fort Lauderdale-Pompano-West Palm Beach, FL | 305, 645, 786 |
| North Dade | 12 | Miami-Fort Lauderdale-Pompano-West Palm Beach, FL | 305, 645, 786 |
| Homestead | 9 | Miami-Fort Lauderdale-Pompano-West Palm Beach, FL | 305, 645, 786 |
| Keys | 8 | Miami-Fort Lauderdale-Pompano-West Palm Beach, FL | 305, 645, 786 |
| Perrine | 7 | Miami-Fort Lauderdale-Pompano-West Palm Beach, FL | 305, 645, 786 |
FAQ
What is the biggest city in area code 645?
Miami holds the most active prefixes (35), making it the code's largest numbering locality.
How many places does 645 cover?
5 rate centers in Florida hold active 645 prefixes, from Miami down to communities with a single prefix.
Does a 645 number guarantee the caller lives in one of these places?
No — the tables show where number blocks were issued. Porting and VoIP let people keep or acquire numbers anywhere.