The 408 area code covers San Jose, Santa Clara, Sunnyvale and more in California. Provision a local 408 number in minutes.
Area code 408 is the heart of Silicon Valley, covering San Jose and the surrounding tech corridor including Santa Clara and Sunnyvale. San Jose is California's third-largest city and home to the headquarters of Cisco, Adobe, eBay, and hundreds of startups. The code now shares the valley with overlay 669.
Across California, the 408 area code serves roughly 1.8 million residents in 4 communities — including San Jose, Santa Clara, Sunnyvale, among others. Numbers in the 408 zone keep Pacifictime, so a local line rings during your customers' business hours and shows a familiar CA caller ID on every outbound call.
408 was first introduced in 1984 under the North American Numbering Plan. It remains an active geographic code today.
Want a 408 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 408 area code reaches 4 communities across California, from San Jose to Campbell. 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 Jose presence with enterprise-grade UCaaS — calling, meetings, and messaging on one platform.
Get a 408 NumberA 408 number tells San Jose customers you're local — instant trust and higher answer rates, no office required.
Every 408 line includes HD calling, video meetings, team chat, SMS/MMS, auto-attendant, call recording, and an AI assistant.
Already have a 408 number? Port it in for free. Your number stays yours — port out anytime, no lock-in.
The 408 area code covers San Jose, Santa Clara, Sunnyvale, Campbell in California.
Phone numbers in the 408 area code operate on America/Los_Angeles time.
Yes. The 408 area code was introduced in 1984 and remains an active geographic code today.
Yes. Ajoxi provisions virtual 408 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 408 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 408 number in for free, usually within a few business days and with no downtime during the switch.
Yes. Every 408 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 408 number with instant activation, clean caller-ID, and Tier-1 routing — no setup fees, live in minutes.