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618 Area Code

618 Area Code belongs to Illinois and serves to 8 main cities

Area Code 618 serves the southwestern region of Illinois, encompassing cities such as Belleville, Carbondale, and Edwardsville. Established in 1947, it was one of the original area codes created during the North American Numbering Plan. The code came into existence to accommodate the growing demand for telephone service following World War II, particularly as urban areas expanded.

Historically, area code 618 experienced a major shift in 1986 when it split from area code 217, reflecting the increasing population and telecommunications needs in the region. The area has undergone further changes to its numbering plan with the introduction of overlay area codes in other parts of Illinois, though 618 has maintained a singular identity.

Geographically, the region covered by area code 618 includes a mix of urban and rural communities, contributing to a diverse telecommunications landscape. The local economy is supported by various sectors, including education, healthcare, and agriculture, all of which rely on reliable telecommunications infrastructure.

In telecommunications, area code 618 remains notable for its blend of traditional landline and modern wireless services. The area has also seen growth in VoIP communications, facilitating businesses and residential users in adapting to new technologies while retaining access to essential telecommunication services. Overall, area code 618 plays a significant role in connecting its residents and businesses to the broader telecommunication networks across the United States.

Cities with 618 Area Code:

  • Where area code is 618?

    Area code 618 serves southern Illinois, including cities like Belleville and Carbondale. Here's what to know about it.

  • What is the 3 digits 618 in a phone call?

    If you receive a phone call with the first 3 digits 618 in the United States, you should know that they could belong to Belleville (IL), Carbondale (IL), Collinsville (IL), East Alton (IL), East Saint Louis (IL), Edwardsville (IL), Granite City (IL), O’Fallon (IL).

  • How to call area code 618 from another state in the U.S?

    Dialing the area code 618 from another state in the United States is considered a long-distance call. Here’s how to make the call: First, dial the area code for 618. Each state, and sometimes specific cities within a state, has unique area codes. Then, enter the 7-digit phone number of the person or business you’re trying to reach. If you’re calling from a landline, check with your provider, as long-distance charges may apply. However, most mobile carriers in the U.S. offer nationwide calling without additional fees. Alternatively, you can use VoIP or internet-based calling apps, like Skype, Zoom, or WhatsApp, to bypass traditional long-distance charges. The number you want to reach should look like this: 1-(AreaCode)-111-2222.

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