- Location
- Miami, Florida
- Service began
- 2023
- The time zone
- Eastern time
- Calls made locally
- 10-digit dialing
- Rate centre locations
- 5
- Exhaust projection
- 2046
- Country calling prefix
- +1 (United States)
Source: NANPA public reports, file of 11/01/2026, covering the area code report and the rate-centre report. The exhaust year comes from projections 2026-1 (April 2026) in the NANPA projections. You are not on an official NANPA website.
Get hold of a 645 number
You can get a 645 number in two ways. When you sign up for its plan, a provider gives you a new number selected from those it holds in the code. A seller posts numbers it already has, often with a pattern, at a one-time price. You then move that number to a provider.
Providers ranked by first-year cost
| Provider | Cheapest plan | First year | Link |
|---|---|---|---|
 Free app | Basic (Just for me), free | $0 | Open Google Voice |
 Free app | Free plan, free | $0 | Open TextNow |
 Developer API | Pay-as-you-go local number, $1.15 a month | $13.80 | Open Twilio |
 Second-number app | Standard, $3.99 a month billed yearly | $47.99 | Open Burner |
 Toll-free specialist | Solo, $6.99 a month billed yearly | $84 | Open UniTel Voice |
 Second-number app | Deluxe (local number), $6.99 a month billed yearly | $102.88 | Open GoDaddy Conversations (formerly Smartline) |
Sellers who list local numbers
| Seller | What it sells | Listed price | Monthly fee | Link |
|---|---|---|---|---|
 Marketplace | Local numbers | From $9 one-time | None stated | Search at Exclusive Digits |
 Marketplace | Local and toll-free | From $9.95 one-time | $2.99 a month | Search at NumberBarn |
 Number broker | Local and toll-free | From $99 one-time | None stated | Search at RingBoost |
 Number broker | Local and toll-free | From $100 one-time | None stated | Search at PhoneNumberExpert |
| 212areacode.comNumber broker | Local numbers | From $150 one-time | None stated | Search at 212areacode.com |
We may receive a referral fee from certain sellers and providers. The order remains based on first-year cost and never changes. How we earn
Places in the 645 area code
For 645, NANPA lists 5 rate centres. Numbers are assigned to each local calling area:
The centres are Homestead, Keys, Miami, North Dade, Perrine.
Other related area codes
They serve the same area and share a pool of numbers: 305 and 786. Any of these codes may supply a new number in the area, so request the one you prefer.
Other area codes in Florida: 813, 904, 407, 941, 954, 352, 561, 850, 727, 863, 321, 386, 754, 772, 239, 689, 448, 656, 728 and 324.
City guide topic: Miami area codes.
645 area code questions
What area does area code 645 cover?
645 serves Miami, Florida, in the Miami-Fort Lauderdale-Pompano-West Palm Beach, FL area.
Which country code applies to a 645 number?
+1. Because 645 belongs to the North American Numbering Plan, calls from abroad use +1 645 and then the 7-digit number.
What time is it in the 645 area code?
The 645 area code uses Eastern time.
Who places calls from a 645 number?
Anyone holding a number in this code can call: homes, mobiles, local businesses and callers who fake a local number. The 645 number displayed on your screen shows where it was assigned, not who is calling.