Everything you need to know about area code 442 in California
QUICK FACTS
California
Pacific Time Zone
Overlay code
Estimated residents served
California
Shares territory with existing code
ABOUT THIS AREA CODE
Area code 442 is an overlay for inland and northern San Diego County, sharing territory with area code 760. It serves Oceanside, Carlsbad, and the Imperial Valley.
Phone numbers with the 442 area code follow the format (442) XXX-XXXX, where the next three digits represent the local exchange. The 442 area code is part of the North American Numbering Plan (NANP) and is regulated by the Federal Communications Commission (FCC).
If you receive a call from a 442 number that you don't recognize, you can search it using the lookup tool above. While the 442 area code legitimately serves millions of residents and businesses in the Oceanside area, scammers sometimes spoof local area codes to make their calls appear more trustworthy. Always verify unfamiliar numbers before returning calls or sharing personal information.
The Oceanside region served by area code 442 is one of the most significant areas in California. As an overlay code, 442 shares its geographic territory with other area codes in the region, meaning all local calls require 10-digit dialing.
For detailed information about any phone number in the 442 area code, including owner identification, carrier data, and spam reports, use our search tool above or visit one of our trusted lookup providers.
CITIES & COMMUNITIES
SPAM & SCAM ALERTS
These are frequently reported scam patterns from phone numbers using the 442 area code. Scammers often spoof area codes, so a call appearing to come from 442 may originate elsewhere.
Callers offer free medical devices or insurance plans to collect your Medicare ID and personal health information for identity theft.
You are told you have won a prize but must pay taxes or fees upfront. Legitimate sweepstakes never require advance payment.
Fake collectors threaten legal action over debts you don't owe. Real collectors must provide written validation within 5 days of first contact.
Stay Safe: Never share personal information with incoming callers. If suspicious, hang up and search the number above.
FREQUENTLY ASKED QUESTIONS
Area code 442 serves Oceanside, California. Area code 442 is an overlay for inland and northern San Diego County, sharing territory with area code 760. It serves Oceanside, Carlsbad, and the Imperial Valley.
Area code 442 is in the Pacific timezone. Calls from 442 numbers originate from the Oceanside region.
Not necessarily. Area code 442 serves many people in Oceanside. However, scammers can spoof any area code. If you receive a suspicious call from a 442 number, search it above before calling back.
Area code 442 was created in 2009. It is an overlay code sharing territory with an existing area code.
RELATED AREA CODES
WHO CALLED ME
If you received an unknown call from a 442 number, use our dedicated lookup page to identify the caller and check for scam reports.
Who Called Me From 442? →