NANP area code
626
UTC−8, UTC−7 during daylight saving
- State
- California
- Primary city
- Los Angeles
- Time zone
- Pacific
- In service
- 1997
Area Code 626 — Los Angeles, California
The code reaches 36 communities and 2 counties across California.
Was this call legitimate?
The area code itself carries no risk signal. 626 is assigned to Los Angeles, California, so a call from it is consistent with a real caller in that area — but the digits alone prove nothing, because they can be forged.
Caller ID is set by whoever places the call, not verified by the network. That is why neighbour spoofing works: an operation anywhere in the world can display a number that matches the area code — and often the first three digits after it — of the person being called, so the call looks local. Every community in the 626 territory is a plausible-looking origin for a forged 626 number, which is why one can be made to look like a neighbour to so many people.
If you did not recognise the call: let it go to voicemail — a legitimate caller with real business will leave one. Do not return the call using the number shown; look the organisation up independently and call the number you found. Never confirm personal details, card numbers, or one-time codes to someone who called you, however plausible the number looked.
Codes.zone publishes no complaint counts, risk scores, or caller identities. We hold no data on individual numbers and will not estimate what we cannot source.
Local time and when to call back
Time there now
—
Pacific · UTC−8, UTC−7 during daylight saving
Reasonable callback window
8:00 AM – 9:00 PM
local time in Pacific
Federal rules bar telemarketing calls to a residence outside 8:00 AM–9:00 PM in the called party's own time zone. It is a sensible bound for a personal callback too — and a caller who rang you well outside it was not observing it.
Overlay codes
626 is the only area code serving its territory — it has no overlay in the current numbering plan for California. Where a region has no overlay, a number's area code still corresponds to a single geographic area.
Cities served
| City | ZIP codes | County |
|---|---|---|
| Los Angeles | 94 | Los Angeles County |
| Pasadena | 25 | Los Angeles County |
| Whittier | 10 | Los Angeles County |
| Alhambra | 6 | Los Angeles County |
| Arcadia | 4 | Los Angeles County |
| El Monte | 4 | Los Angeles County |
| La Puente | 4 | Los Angeles County |
| West Covina | 4 | Los Angeles County |
| City Of Industry | 3 | Los Angeles County |
| Covina | 3 | Los Angeles County |
| Duarte | 3 | Los Angeles County |
| La Habra | 3 | Orange County |
| La Mirada | 3 | Los Angeles County |
| Monterey Park | 3 | Los Angeles County |
| Rosemead | 3 | Los Angeles County |
| San Gabriel | 3 | Los Angeles County |
| Altadena | 2 | Los Angeles County |
| Glendora | 2 | Los Angeles County |
| La Canada Flintridge | 2 | Los Angeles County |
| Monrovia | 2 | Los Angeles County |
16 further communities not listed. All California area codes →
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Scope every community matched to 626. Source geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot), GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . Coordinates are place reference points, not boundaries.
Counties
Prefixes inside 626
We do not publish the NXX prefixes inside 626. The assignment of prefixes to rate centres comes from LERG routing data, which is proprietary, and we will not estimate it from postal data — ZIP codes and telephone prefixes do not map onto each other. Awaiting a clean-rights NPA-NXX source.