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The 858 area code is located in the state of California, and according to Intelius data, covers roughly 1,006,848 phone numbers. San Diego University is the largest city within this area code with a population of about 3,276,208.
Have you received a call from a number with a 858 area code? Figure out who is calling you by performing a reverse phone lookup search. Intelius can provide you with a phone report that includes (when available) original line type and carrier, the number owner’s name, last known address and past addresses, age, possible relatives, and more.
| County | San Diego |
|---|---|
| Population | 3,276,208 |
