408 area code
San Jose area, Pacific Time.Area code 408 covers San Jose, Sunnyvale, Campbell and 6 more places in California, on Pacific Time. 669 covers the same area.
Right now in San Jose
Pacific Time (PST, UTC-8; PDT, UTC-7 in summer)
Calling hours: Every day, 8 AM to 9 PM (the federal rule)
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Where 408 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 408 has 9. Each one's share is how many 408 numbers start there. Its biggest metro area is San Jose-Sunnyvale-Santa Clara, CA.
- San Jose70%
- Sunnyvale12%
- Campbell6%
- Los Gatos3%
- Morgan Hill2%
- Gilroy2%
Also: Saratoga, San Martin, San Antonio
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 408 number?
Sales calls to homes and cell phones have legal hours, set by the federal rule. Hold every 408 number to them, since you can't tell a work line from a personal cell.
What applies to 408Every day, 8 AM to 9 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
408 and 669
408 went into service on January 1, 1959, split off from 415, and 831 was later split off from it. 408 and 669 cover the same area, so new numbers can get either code and neighbors can have different area codes. 408 holds 77% of the area's exchanges; 669 holds the rest. Local calls take all 10 digits.
- 1959408 starts
- 1998831 split off
- 2012669 overlay
Source: NANPA area code database
Other California area codes
All California area codes- Stockton209350
- Los Angeles213323738
- Sacramento279916
- Compton310424
- Oakland341510
- Fresno357559
- Santa Rosa369707
- San Francisco415628
- Oceanside442760
- Chico530837
- Long Beach562
- San Diego619858
- Alhambra626
- Palo Alto650
- Anaheim657714
- Bakersfield661
- Van Nuys747818
- Santa Barbara805820
- Salinas831
- Ontario840909
- Walnut Creek925
- Irvine949
- Riverside951
Calling a list of 408 numbers?
Paste it into the free phone number validator. It checks every number, finds each one's time zone and sorts the list by who you can call right now.
408 area code FAQ
What area code is 408?
408 is a California area code for San Jose, Sunnyvale, Campbell, Los Gatos and 5 more places.
What time zone is the 408 area code in?
Pacific Time (PST, UTC-8; PDT, UTC-7 in summer).
Is 669 the same as 408?
Same area, different code. 408 and 669 cover the same area (an overlay), so new numbers can get any of them and local calls take all 10 digits.
What are the calling hours for 408 numbers?
Every day, 8 AM to 9 PM, local time, under the federal rule.
When did the 408 area code start?
On January 1, 1959. It was split from 415.
Calling 408 numbers? Reach more of them.
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