The 650 area code covers San Mateo, Palo Alto, Redwood City and more in California. Provision a local 650 number in minutes.
Area code 650 covers the San Mateo Peninsula — the geographic heart of Silicon Valley between San Francisco and San Jose. It includes Palo Alto (headquarters of many landmark tech companies and Stanford University), Menlo Park (Facebook/Meta's campus), and Mountain View (Google's campus). Perhaps no area code in the world is more associated with technology entrepreneurship.
Across California, the 650 area code serves roughly 800,000 residents in 4 communities — including San Mateo, Palo Alto, Redwood City, among others. Numbers in the 650 zone keep Pacifictime, so a local line rings during your customers' business hours and shows a familiar CA caller ID on every outbound call.
650 was first introduced in 1997 under the North American Numbering Plan. It remains an active geographic code today.
Want a 650 number of your own? With Ajoxi you can claim one in minutes — no hardware, no contracts — and route calls, SMS, voicemail, and team messaging anywhere on a single UCaaS platform, with Tier-1 routing and clean caller-ID delivery on every line.
The 650 area code reaches 4 communities across California, from San Mateo to Mountain View. A customer in any of them sees a familiar local number when you call, which is the single biggest driver of answer rates — and with Ajoxi you can claim a number in any of these cities, or several at once, and route every call to the same team.
Pair a local San Mateo presence with enterprise-grade UCaaS — calling, meetings, and messaging on one platform.
Get a 650 NumberA 650 number tells San Mateo customers you're local — instant trust and higher answer rates, no office required.
Every 650 line includes HD calling, video meetings, team chat, SMS/MMS, auto-attendant, call recording, and an AI assistant.
Already have a 650 number? Port it in for free. Your number stays yours — port out anytime, no lock-in.
The 650 area code covers San Mateo, Palo Alto, Redwood City, Mountain View in California.
Phone numbers in the 650 area code operate on America/Los_Angeles time.
Yes. The 650 area code was introduced in 1997 and remains an active geographic code today.
Yes. Ajoxi provisions virtual 650 numbers with instant activation, clean caller-ID delivery, Tier-1 routing, and no setup fees — so you can build a local presence in minutes.
Choose a 650 number in the Ajoxi dashboard and it activates immediately — no hardware, no contracts, and no setup fees. Prefer to keep a number you already use? Port any existing 650 number in for free, usually within a few business days and with no downtime during the switch.
Yes. Every 650 number supports SMS and MMS alongside HD calling, so your team can text customers, run campaigns, and reply to conversations from the same line — all in the browser on any device, with no separate app to install.
Provision a 650 number with instant activation, clean caller-ID, and Tier-1 routing — no setup fees, live in minutes.