Area code 669: California
Area code 669 is a US state area code for California, on Pacific Time. It has 235 prefixes in service across 11 rate centers, the largest being San Jose:West Da, San Jose:North Da and San Jose:South Da. It shares its area with 408, so local numbers there can start with any of them.
Local time in area code 669
America/Los_Angeles
Prefixes in service
235 of 792 possible
11 rate centers
Area code 669 facts
| Location | California, United States |
|---|---|
| Time zone | Pacific Time |
| Overlays | 408 |
| Overlay of | 408 |
| In service since | November 20, 2012 |
| Local calls | 1 + 10 digits |
| Carrier | Not shown. An area code is where a number was issued; numbers port between carriers. Check line type |
Which cities and towns use area code 669?
NANPA records each prefix against a rate center, the local billing area a number belongs to, usually named after its main town. These are the 669 rate centers with the most prefixes in service.
| Rate center | Prefixes |
|---|---|
| San Jose:West Da | 52 |
| San Jose:North Da | 35 |
| San Jose:South Da | 33 |
| Campbell | 28 |
| Sunnyvale | 26 |
| Saratoga | 19 |
| Los Gatos | 13 |
| Morgan Hill | 11 |
| Gilroy | 10 |
| San Martin | 7 |
| San Antonio | 1 |
Source: NANPA central office code assignments, file dated 10/17/2026. Each prefix holds up to 10,000 numbers.
How do I dial a 669 number?
NANPA's dialling plan for 669: local calls inside the code take 1 + 10 digits, toll calls 1 + 10 digits. From another area code, dial 1 first. From abroad, use +1. The examples use 555-0147, from a range reserved for fictional numbers.
| Local call inside 669 | 1-669-555-0147 |
|---|---|
| From another US or Canadian area code | 1-669-555-0147 |
| From outside North America | +1 669 555 0147 |
| E.164, for CRMs and SMS tools | +16695550147 |
When did area code 669 start?
Area code 669 went into service on November 20, 2012 as an overlay of 408. Today 669 and 408 cover the same area as an overlay, which is why 10-digit dialling is needed for local calls there.
Tools for 669 numbers
- Area code lookup
Look up any code or a whole list of numbers, or find the codes for a state or city.
- Area code time zone
Local time for a list of numbers, with a callable-now flag.
- NPA-NXX lookup
Rate center and state for one prefix, a level below the area code.
- TCPA calling hours checker
Whether it's inside the federal 8 a.m. to 9 p.m. calling window there now.
Next step
A 669 number tells you where it was issued, not what it is now.
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Area code 669 questions
- What state is area code 669?
- Area code 669 is in California, United States. Its largest rate centers by number of prefixes are San Jose:West Da, San Jose:North Da, San Jose:South Da, Campbell and Sunnyvale.
- What time zone is area code 669 in?
- Pacific Time.
- What area codes overlay 669?
- 408. An overlay adds a new code to the same area instead of splitting it, so neighbours can have different area codes and local calls need 10 digits.
- When did area code 669 start?
- Area code 669 went into service on November 20, 2012 as an overlay of 408.
- Is a 669 number a cell phone or a landline?
- The area code can't tell you. In the US and Canada mobiles, landlines and VoIP lines share area codes and prefixes, and numbers move between carriers and line types. Only a live line-type lookup answers it for one number.
- How many phone numbers does area code 669 have?
- 235 of its 792 possible prefixes are in service, and each prefix holds up to 10,000 numbers. That counts prefixes assigned to carriers, not numbers in use.
Other area codes in California
209213279310323341350357369408415424442510530559562619626628650657661707714738747760805818820831837840858909916925949951
Sources
Location, overlays, in-service date and dialling plan: NANPA NPA database, file dated 10/16/2026. Prefixes and rate centers: NANPA central office code assignments, 10/17/2026. Time zones mapped to the IANA time zone database. By the SimpleVerifier Team; how we build these pages.