Everything you need to know about area code 618 in Illinois
QUICK FACTS
Illinois
Central Time Zone
Original area code
Estimated residents served
Illinois
Primary code for this region
ABOUT THIS AREA CODE
Area code 618 covers southern Illinois including the Metro East region across from St. Louis, Carbondale, and Southern Illinois University. One of the original 1947 area codes.
Phone numbers with the 618 area code follow the format (618) XXX-XXXX, where the next three digits represent the local exchange. The 618 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 618 number that you don't recognize, you can search it using the lookup tool above. While the 618 area code legitimately serves millions of residents and businesses in the East St. Louis 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 East St. Louis region served by area code 618 is one of the most significant areas in Illinois. As a primary geographic code, 618 has been the main identifier for this region since the original numbering plan was established.
For detailed information about any phone number in the 618 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 618 area code. Scammers often spoof area codes, so a call appearing to come from 618 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 618 serves East St. Louis, Illinois. Area code 618 covers southern Illinois including the Metro East region across from St. Louis, Carbondale, and Southern Illinois University. One of the original 1947 area codes.
Area code 618 is in the Central timezone. Calls from 618 numbers originate from the East St. Louis region.
Not necessarily. Area code 618 serves many people in East St. Louis. However, scammers can spoof any area code. If you receive a suspicious call from a 618 number, search it above before calling back.
Area code 618 was one of the original area codes established in 1947. It serves as the primary geographic code for its region.
RELATED AREA CODES
WHO CALLED ME
If you received an unknown call from a 618 number, use our dedicated lookup page to identify the caller and check for scam reports.
Who Called Me From 618? →PHONE SAFETY GUIDES
Voip Scam Calls → What To Do After Answering Scam Call → Phone Number Spoofing Explained →