Area code 618 was assigned to a numbering plan area in southern Illinois, including the population centers of East St. Louis and Carbondale. In 1954, most of Metro East of St. Louis …

About area code 618: location, common spam callers, related area codes, and more. Includes 618 reverse phone lookup to identify spam callers.

Browse area code 618 phone numbers, prefixes and exchanges. The 618 area code serves Saint Louis, Metropolis, Carbondale, Belleville, Olney, covering 194 ZIP codes in 44 counties.

Dec 1, 2025 · Area Code 618 is located in Illinois. It covers 247 cities, including Belleville, Granite City, Edwardsville, Alton, and Collinsville. It also covers 40 counties, including Madison …

Mar 9, 2025 · 618 is an area code located in the state of Illinois, US. The largest city it serves is Belleville. Find out where 618 area code zone from, which states, counties and cities it covers. …

Find 618 area code details including city, time zone, and map. Lookup area code 618 phone number, name, and location.

Sep 4, 2023 · Area code 618 is located in Illinois. Get the area’s map, cities covered, current time, prefixes, and dialing instructions.

Area code 618 is located in S Illinois and includes Alton. View the 618 area code map, major cities, location, timezone and more on TeraCodes.com.

The 618 Area Code is located in the state of Illinois. Area Code 618 is one of the 269 three-digit telephone area codes in the USA. It covers roughly 7,859,764 unique phone numbers and …

Lookup information on Area Code 618 - get demographic, NPA NXX, and other data by area code