618 Area Code
The 618 area code serves Alton, Belleville, Edwardsville in United States. Learn the cities and counties covered, the time zone, dialing format, and how to get a local 618 business number.
Cities & regions in the 618 area code (3)
Frequently asked questions
What area code is 618?+
618 is a North American Numbering Plan (NANP) area code in United States, primarily covering Alton, Belleville, Edwardsville.
Where is the 618 area code located?+
The 618 area code is located in United States. It operates on Central Time (CT).
How do you dial the 618 area code from abroad?+
Dial your country's international exit code, then +1 618 followed by the 7-digit local number. From inside the US/Canada, dial 1 618 XXX-XXXX.
Can I get a 618 phone number for my business?+
Yes. AstraQom provisions local 618 DID numbers for SIP trunking, hosted PBX, contact centers and toll-free porting — usually within minutes, with no long-term contract.
Get a local 618 number for your business
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AstraQom is an independent global telecom carrier serving 117 countries. We provision local 618 DID numbers, SIP trunks, hosted PBX, contact-center routing and SD-WAN — all on Tier-1 carrier infrastructure with no grey termination and 24/7 multilingual support.