Local Phone Numbers
Florida
645 Area Code
645 Area Code in Florida Get a Miami Local Phone Number with DialLink

Establish a Local Presence in South Florida
No Office Needed
Want to connect with customers in Miami-Dade County or the Florida Keys? A 645 area code instantly gives your business credibility in South Florida, one of the most recognizable business markets in the United States. Introduced as an overlay for 305 and 786, it ensures there are enough phone numbers to keep up with demand in the region.
With DialLink, SMBs and startups can easily set up a local 645 number supported by our AI-powered cloud phone system. From advanced call routing and AI voice agents to business messaging, you’ll have all the tools to sound professional and scale effectively.
Why Choose a 645 Area Code?
The 645 area code serves the same geographic region as 305 and 786, covering Miami-Dade County and the Florida Keys. In service since August 2023, it gives businesses more number options in a region closely associated with Miami’s international business community.
Whether you’re targeting local families, startups, or international customers, a 645 area code number makes your brand feel trustworthy and accessible in the Miami market.
Core Features for Customer Communications

Make and Receive Calls from Anywhere
DialLink lets you place and answer calls easily from any device, wherever you are. Stay connected with customers while keeping every conversation clear and professional.

View Every Customer Interaction in One Thread
DialLink keeps all communication with each contact in a single thread. See inbound, outbound, and missed calls alongside voicemails, SMS, and WhatsApp messages in one organized view.

Collaborate on Calls and Messages
DialLink allows multiple team members to access the same phone line. Calls, voicemails, and messages are visible to the team, making it easy to manage customer conversations together.

Easy Desk Phone Setup
Give your team the reliability of dedicated desk phones. DialLink works smoothly with many popular desk phone models, making setup simple and quick.
Get More Than a Local Number
When you choose a local number from DialLink, you're getting more than just digits:
AI Voice Agents
Automate routine calls, appointment booking, and more
AI call tagging & summaries
Get insights into calls and improve follow-ups
Advanced call handling
Customize call flows, routing, and voicemail rules
Work from anywhere
Answer calls on mobile, desktop, web app, or desk phones
Plug-and-play setup
Get started in minutes with no IT experts required
AI-powered business messaging
Get AI-generated suggestions and send replies instantly
Who Can Benefit from a Local Phone Number
Local businesses across Miami-Dade County and the Florida Keys
Startups expanding into South Florida’s fast-growing market
Remote-first teams supporting Florida-based clients
Real estate, hospitality, and logistics professionals
How to Get a Local Number with DialLink
Sign up for any DialLink plan
Pick a local number during setup, or port your existing one
Start making and receiving calls instantly via mobile, desktop, web, or desk phones
Choose Your Local Phone Number
Frequently Asked Questions
What area code is 645?
What city is the 645 area code?
The 645 area code primarily covers Miami and the surrounding communities of Miami-Dade County, as well as the Florida Keys.
Where in US is area code 645 located?
Area code 645 is in the southeastern United States, serving South Florida, specifically Miami-Dade County and the Florida Keys.
What area codes are from Florida?
How many area codes are in the USA?
There are over 300 active area codes in the United States, with new ones introduced regularly as demand for numbers increases.