Zip Area Code

Area code 840

Area code 840 is a California area code, in service since February 23, 2021.

It was added as an overlay on 909: both codes serve the same area, so neighbors can have numbers in either one.

Local calls are dialed with 1 plus ten digits.

It is in the Pacific Time zone.

State
California
In service since
February 23, 2021
Overlays
909
Local dialing
1 plus ten digits
Time zone
Pacific Time
ZIP codes
64

Map

Map of the 840 area codeThe shaded area shows where 840 numbers are rated, with the neighboring area codes outlined around it.760661562714951213949626OntarioSan BernardinoRedlandsArrowheadDiamond BarCalimesaBig Bear City
Approximate 840 coverage, drawn from U.S. Census ZIP code areas and NANPA rate centers. Dashed lines are state borders.

Main cities in area code 840

Overlays and neighboring area codes

Overlay, serving the same area: 909.

Neighboring area codes: 760, 661, 310, 562, 714, 951, 213, 818, 949, 626.

Counties in area code 840

Towns in area code 840

Local numbers in area code 840

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