Establish immediate credibility on the Peninsula
Doing business in the heart of Silicon Valley means your very first impression needs to signal serious innovation and unwavering reliability.
When high-value prospects see a 650 area code light up their smartphone screen, they instantly associate your brand with the industry heavyweights headquartered throughout Palo Alto and Redwood City. Whether you are actively pitching venture capitalists or closing local enterprise deals, having a universally recognized local prefix eliminates initial geographic friction and opens important doors much faster.
Maintain a Bay Area presence from anywhere
You do not need to sign an outrageously expensive commercial lease near Stanford University just to look like a committed local player.
By adopting a virtual 650 phone number, your growing business enjoys all the exceptional reputational benefits of being rooted deeply in San Mateo County without absorbing the massive regional overhead costs. Keep your remote sales team perfectly distributed while presenting a unified, highly localized front to every single customer who decides to dial your business.
Supercharge your sales with intelligent automation
A recognizable local prefix gets prospects to finally answer the phone, but Allo's advanced underlying technology ensures every single conversation actively drives revenue.
Equip your new 650 number with a tireless 24/7 AI receptionist that captures inbound leads, instantly generates highly accurate call summaries, and seamlessly syncs vital data directly into your existing CRM. You secure the ultimate winning combination of local neighborhood appeal and enterprise-grade operational efficiency, letting your ambitious team focus strictly on closing bigger deals.
How does it work?
Create your Allo account
Go to the signup page and enter your details.We offer 7-day free trial to let you test your new number and all the options that come with it.
Select your phone number
Pick your state, city and area code. We then generate the virtual phone number based on your preferences
Adjust your settings
Once you’ve been assigned a number, you can start configuring your account (voicemail, business hours, etc.)



Supercharge your number with AI
Get your calls answered by our AI answering service when you’re busy, leverage our AI IVR to redirect your calls to the right person, receive a call transcript and summary when your calls finish, and more.
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Communicate without limits
Your phone number comes with unlimited calls and text messages to US numbers.

Stop spam
Your phone number comes with unlimited calls and text messages to US numbers.

Know who’s calling
Your phone number comes with unlimited calls and text messages to US numbers.



Frequently
Asked Questions
Where is the area code 650?
The 650 area code covers the San Francisco Peninsula and parts of the South Bay, including major Silicon Valley hubs like Palo Alto, Redwood City, San Mateo, and Mountain View in San Mateo and Santa Clara counties.
What's the timezone associated with the 650 area code?
Numbers with a 650 prefix are located in the Pacific Time Zone (PT). This means they observe Pacific Standard Time (PST) during the winter and switch to Pacific Daylight Time (PDT) in the summer months.
Do I need a physical address in Palo Alto to purchase a phone number with a 650 prefix?
No, you do not need a physical address or office space in Palo Alto, Redwood City, or anywhere in San Mateo County to get a 650 number. Allo provides virtual phone numbers that route directly to your existing mobile or desktop devices, no matter where your team is actually located.
Will people know where I'm actually calling from?
Not at all. When you make an outbound call using your Allo app, the caller ID will strictly display your professional 650 phone number. Your personal device number and your actual physical location remain completely private at all times.


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