331 Area Code

Get a 331 Area Code Phone Number to Serve Aurora

Buy multiple local and vanity phone numbers with 331 Area Code numbers for private and business pursuits from anywhere in the world. Customize your business communication with 331 local phone numbers and relish various benefits.

Localize your business across northeastern Illinois.
Quick Setup - Instant Activation - Effortless Termination Anytime.
Connect multiple devices with 331 area code numbers for better communication.
Exceptional Flexibility & Scalability with 331 Area Code Numbers.
Cutting-edge communication features for employee productivity & customer experience.
331 Area Code location

Own 331 Area Code Phone Number

Select numbers :
  • Call
  • SMS
  • MMS

What is Current 331 Area Code Location?

Area Code 331 is located in northeastern Illinois. It covers four counties: DuPage, Kane, and a small part of Will and Cook Counties including major cities like Aurora, Bolingbrook, Naperville, and Wheaton. It overlays with area code 630 and serves the same region.

The table on the side illustrates the top locations (cities and communities) served by Area Code 331 in the US state of Illinois.

City/Town Country TimeZone
Clarendon Hills, IL DuPage Central
Hanover Park, IL Cook Central
Geneva, IL Kane Central
Warrenville, IL DuPage Central
North Aurora, IL Kane Central
Wayne, IL DuPage Central
Downers Grove, IL DuPage Central
Bensenville, IL DuPage Central
Lisle, IL DuPage Central
Darien, IL DuPage Central
Elmhurst, IL DuPage Central
Woodridge, IL DuPage Central
Oak Brook, IL DuPage Central
Naperville, IL Will Central
Big Rock, IL Kane Central
Wood Dale, IL DuPage Central
Willowbrook, IL DuPage Central
Villa Park, IL DuPage Central
Glendale Heights, IL DuPage Central
Mooseheart, IL Kane Central
Eola, IL DuPage Central
Addison, IL DuPage Central
Aurora, IL Kane Central
Wayne, IL DuPage Central
Wheaton, IL DuPage Central
Lombard, IL DuPage Central
Glen Ellyn, IL DuPage Central
Montgomery, IL Kendall Central
Geneva, IL Kane Central
St Charles, IL Kane Central
Geneva, IL Kane Central
Bristol, IL Kendall Central
Bartlett, IL DuPage Central
Sugar Grove, IL Kane Central
Warrenville, IL DuPage Central
Oswego, IL Kendall Central
Yorkville, IL Kendall Central
Batavia, IL Kane Central
Lemont, IL Cook Central
Millbrook, IL Kendall Central
Geneva, IL Kane Central
Bloomingdale, IL DuPage Central
Streamwood, IL Cook Central
Itasca, IL DuPage Central
Wayne, IL DuPage Central
West Chicago, IL DuPage Central
Elburn, IL Kane Central
Hanover Park, IL Cook Central
Plano, IL Kendall Central
Clarendon Hills, IL DuPage Central
Show more  show less

How to buy a 331 area code phone number?

To buy a 331 area code number, sign up with KrispCall; go to settings> My Number > Add New Number > Select USA > Advanced Filter > Enter 331 and match to the first part of the number>Click Search. Then choose your 331 number, make payment & start making & receiving calls and texts after the number activation.

331 Area Code coverage

331 Area Code History – Where is 331 Area Code Coming From?

The 331 area code is coming from western suburbs of Chicago, Illinois including most of DuPage County. It was created in 1996 when area code 708 split, with the northern suburbs receiving 847. Due to rapid population growth and increased phone demands, area code 630 was close to running out of numbers. In response to this, area code 331 was introduced as an overlay in 2007, requiring ten-digit dialing.

Area code 331 covers major cities like Aurora, Naperville, Bloomingdale, and Wheaton and several smaller communities.

Why Choose 331 Area Code Number for Business?

From establishing a local business presence in Aurora and its neighboring areas in northeastern Illinois to relishing the power of enhanced communication features – get everything with 331 Area Code numbers for your business communications.

Establish a local presence across northeastern Illinois
Establish your business presence in DuPage and Kane Counties with 331 Area Code business VoIP numbers. Regardless of your business stature and location, become a part of the locals and capitalize on local markets.
Elevate your acceptance rate and boost sales
Win over the Illinois locals, and their trust with 331 Phone Area Code local and vanity numbers. Simplify your agents' tasks and elevate their conversion rates. Ensure greater local acceptance, boosting your sales and business revenue.
No special equipment is required
Downloading the KrispCall app is all it takes. Use 331 Illinois Area Code phone numbers on your existing digital devices—laptop, PC, tablet, or anything else. Don’t worry about new hardware installations. Get going with whatever you have.
Powerful standard PBX system features
Relish every PBX feature of 331 business VoIP phones with the KrispCall app. Unleash the power of enhanced calling features, like Number Sharing, ACD, Monitoring, Barging, Recording, Phone Trees (IVR), etc., for efficient enterprise communication management.
331 Area Code Number

Access Powerful VoIP Features with your 331 Area Code Business Phone Number

Streamline business communication among your team members and customers by investing in 331 business phone numbers. Regardless of the stature of your business, take advantage of Area Code 331 Illinois phone numbers.

Areas of Application for Area Code 331 Phone Number

Practical ways businesses use 331 Area Code Numbers.

Businesses can incorporate 331 Area Code numbers to localize their business in Aurora, Glendale, Naperville, and surrounding areas while streamlining communication for enhanced business productivity and unparalleled customer experience.

734 area code for business phone systems

Businesses can assign 331 area code numbers to their employees as their dedicated second numbers. It helps them track employees’ consensual communication activities and whereabouts while helping employees manage their private communications.

734 area code for business phone systems

Use Area Code 331 numbers for your business phone systems. Facilitate your Aurora customers with a local call to reach you cheaply and vice versa. More importantly, grow your business as a local to impact a greater audience.

Cloud call center 786 phone number

Low-cost calling rates with local Area Code 331 phone numbers in DuPage, Kane, Cook, and Will. A cloud call or contact center can use these numbers to save a fortune in business communications, especially in the long run.

For proper marketing and sales

Create and deploy multiple vanity numbers using the 331 Area Code and track your marketing and sales campaigns. Invest in the ones that perform and revoke the ones that are not. A practical way to market and sell your products and services in Aurora, West Chicago, and Wheaton.

331 Area Code phone number

Use 331 Area Code phone numbers anywhere you need to make and receive calls, send and receive text messages, or MMS. From personal use (social media to location tracking) to SMB sectors to large enterprises.

How to get a 331 Area Code Phone Number Online?

Purchasing 331 Area Code Phone Numbers takes only a few minutes with KrispCall. In minutes, you can follow the steps to obtain an area code 331 phone number. All you need is a valid payment detail.

Select the USA from the country list and enter 331 in the advanced filter & search.
Pick a number from the list and purchase the number.
Make payment after you've selected the number.
Submit your documents for verification if required.
331 Area Code phone number

Port Your 331 Area Code Number to KrispCall Cloud Telephony

You can also effortlessly port your existing 331 area code numbers to KrispCall. KrispCall provides you with a different number to keep your communication active during your porting process. The number will appear as your existing number for your outbound calls and all your inbound calls will be redirected to it. Go on with your business without altering your business communication.

Nearby Area Codes

Location Area Code
Chicago, IL 773
Peoria, IL 309
Rockford, IL 815/779
Elgin, IL 224/847
Cicero, IL 708

Frequently Asked Questions

Didn’t find the Answer you were looking for?
Visit our Help Center or Contact Support

Area code 331 is a telephone area code in the NANP (North American Numbering Plan) for northeastern Illinois. It covers most of DuPage County, Illinois, as well as the near and far western regions of Chicago.

The 331 area code serves major cities like Aurora, Bloomingdale, Naperville, and Wheaton and many other smaller communities.

Country USA
State Illinois
Major Cities Aurora, Naperville, Bloomingdale, and Wheaton
Time Zone Central Time Zone
Telephone Number Format +1 (331) XXX-XXXX
Zip Code 60103-60599

The time zone of the 331 area code is the Central Time Zone (CT), which is also referred to as America/Chicago.

Anyone with a 331 area code local phone number can call. It can be a legitimate business call or even a scam call. Always check their online presence and do some background checks (code lookup, caller id, & reverse phone lookup) on the caller using their provided information on the call.

The zip code for 331 area codes has a range of 60103-60599. Bartlett has the lowest code, 60103, and Fox Valley Facility has the highest code, 60599, as Zip codes.

The 331 area code text message is a message that has been sent or received from a telephone number registered with area code 331. These messages come from legit business services or scammers often used to carry out various types of area code 331 phone scams (robocalls, utility scams, IRS Impersonation scams, Tech support scams, Prize and lottery scams) targeting individuals within the geographical area. Avoid clicking on unknown links or sharing sensitive information without verifying the authenticity of the area code 331 text messages.