Local Phone Numbers
Missouri
636 Area Code
636 Area Code
Get a Missouri Local Phone Number with DialLink
Establish a Local Presence in Eastern Missouri
No Office Needed
The 636 area code serves parts of eastern Missouri, including St. Charles, Chesterfield, Ballwin, and Washington. This fast-growing region is home to a mix of suburban communities, retail centers, and manufacturing hubs. A 636 number helps your business build trust with local customers and stay connected to one of Missouri’s most dynamic areas.
With DialLink, startups and SMBs can quickly activate a 636 area code number and manage calls, texts, and voicemails from a single platform. Our platform makes it simple to run your business efficiently, whether you’re in Missouri or managing operations from elsewhere.
Why Choose a 636 Area Code?
The 636 area code is recognized throughout eastern Missouri, especially in the St. Louis metro suburbs. Having a local number makes your business appear credible and accessible to customers across St. Charles County and surrounding communities.
Even if you’re not physically based there, a 636 number helps you maintain a strong local presence.
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
Startups growing into the St. Louis metro area
Remote-first businesses serving clients in Missouri communities
Manufacturers, healthcare providers, and logistics companies
Local service businesses and consultants
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 636?
The 636 area code serves eastern Missouri, including St. Charles, Chesterfield, Ballwin, and Washington.
What city is the 636 area code?
The 636 area code covers several cities, with St. Charles, Chesterfield, and Ballwin being the largest.
Where in US is area code 636 located?
Area code 636 is located in the state of Missouri, serving communities in the eastern part of the state.
What area codes are from Missouri?
What is the area code of the United States?
The United States does not use one nationwide area code. Instead, it operates under the country code +1, followed by regional area codes.
How many unique numbers can there be per area code?
Each area code can provide up to around 7.9 million unique phone numbers, depending on allocation.
How do area codes on phone numbers work?
Area codes are part of the North American Numbering Plan (NANP). They divide regions into calling zones to ensure proper routing of calls.
Why do landline phone numbers have area codes?
As more phone lines were added, area codes became necessary to organize regions and make sure calls reached the right destinations.
