The 464 area code serves parts of northeastern Illinois within the North American Numbering Plan (NANP). Telecommunications authorities introduced this area code as an overlay to accommodate the growing demand for telephone numbers in one of the most densely populated regions of the United States.
What is the 464 area code?
The area code 464 serves the western suburbs of Chicago and nearby communities within the greater Chicago metropolitan areas in Illinois. The North American Numbering Plan Administrator (NANPA) introduced the area code on January 21, 2022, making it the 15th area code assigned to Illinois and the 427th area code activated nationwide. Officials created the area code to address the shortage of available phone numbers under the long-established 708 area code, which had served the region for many years.
Where Is the 464 Area Code Located?
The area code 464 location serves the state of Illinois and primarily covers the southern and western suburbs of Chicago. The area code serves the state of Illinois and primarily covers the southern and western suburbs of Chicago. Moreover, it shares the same geographic region as the 708 area code because it functions as an overlay. Consequently, both area codes operate in the same area and supply additional telephone numbers to meet growing demand.
Major cities covered
The 464 area code location covers numerous cities and communities throughout the Chicago suburbs.
These communities represent a diverse mix of residential neighborhoods, commercial centers, and industrial districts.
History and origin of 464
Before it was created, the 708 area code shouldered the entire telephone numbering burden for Chicago’s western and southwestern suburbs. As the region’s population and mobile phone adoption grew through the 2000s and 2010s, the available pool of 708 numbers was gradually depleted. By the early 2020s, NANPA determined that an overlay area code was necessary to ensure a continued supply of numbers for new subscribers, businesses, and carriers.
How to dial a 464 number
Because it is an overlay area code that overlaps 708, ten-digit dialing is mandatory for all calls within the region, and even local calls require the full area code prefix. You cannot reach a 464 number by dialing only the seven-digit local number.
Time zone
The 464 area code usa operates entirely within the Central Time Zone (CT), which is UTC−6:00 during standard time and UTC−5:00 during Daylight Saving Time (CDT). Illinois observes Daylight Saving Time, so clocks in the 464 region spring forward in March and fall back in November, along with most of the continental United States. When planning calls to or from 464 numbers, those on the East Coast are typically one hour ahead, while those on the West Coast are two hours behind.
Is 464 a scam area code?
The area code 464 usa is a fully legitimate, officially assigned telephone areas codes in the United States. Calls originating from 464 numbers come from real businesses, organizations, and residents in the western Chicago suburbs. That said, like any area code, can theoretically be spoofed by bad actors who use caller ID manipulation to display an unfamiliar or locally appearing number.
Other Illinois area codes near 464
Illinois is one of the most area-code-dense states in the US, with 17 active area codes. The codes most closely associated with the greater Chicago region, alongside 464 / 708, include 312 (downtown Chicago), 773 (Chicago city neighborhoods outside the Loop), 872 (Chicago overlay), 331 and 630 (Aurora and Naperville), and 224 and 847 (north and northwest suburbs such as Elgin and Schaumburg). Indiana’s 219 area code (Hammond, IN) borders the 464 region to the east.
Frequently Asked Questions (FAQs)
Conclusion
The 464 area code is an important addition to Illinois’ telecommunications network, serving the busy southern and western suburbs of Chicago. Created as an overlay to the 708 area code, it ensures a continued supply of phone numbers for residents, businesses, and growing communities throughout the region. Whether you’re receiving calls from a number, moving to the area, or establishing a local business presence, understanding the coverage, history, cities, and dialing requirements of the area code can help you stay connected with one of Illinois’ most dynamic metropolitan regions.
