The 840 area code covers the far-eastern part of Los Angeles County, southwestern San Bernardino County, and a small portion of Riverside County in California. To start a free reverse phone lookup, simply enter the full 10-digit number (including the 840 area code) below and access available caller information such as name, address, and more.
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Area Code 840 phone numbers reported as unwanted calls to the FTC in the last 30 days.
(840) 200-0847
Calls pretending to be government, businesses, or family and friends
3 reports ·
(840) 223-9327
Reducing your debt (credit cards, mortgage, student loans)
2 reports ·
(840) 263-7025
Calls pretending to be government, businesses, or family and friends
2 reports ·
(840) 222-2049
Calls pretending to be government, businesses, or family and friends
2 reports ·
(840) 248-8260
Calls pretending to be government, businesses, or family and friends
2 reports ·
(840) 221-9854
Calls pretending to be government, businesses, or family and friends
2 reports ·
(840) 216-7012
Dropped call or no message
2 reports ·
(840) 677-7358
Reducing your debt (credit cards, mortgage, student loans)
2 reports ·
(840) 219-1860
Other
1 report ·
(840) 221-9561
Other
1 report ·
Area code 840 covers a region in Southern California, specifically including portions of Los Angeles County, San Bernardino County, and Riverside County.
Area code 840 is an overlay to area code 909. This means that both area codes serve the same geographic region. Area code 909 was created in 1992, and area code 840 was added in 2021. Ten-digit dialing is required for all calls in this region.
Area code 840 is a general purpose code which was placed in service on February 23, 2021.
Our reverse phone lookup will analyze the three-digit prefix of any 840 area code phone number and will show which telecommunications company and rate center it was initially assigned to. This prefix code data may help to determine the U.S. carrier, California geographic region, and local calling area associated with the phone number.
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| Rate Center | Number of Prefixes |
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