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AREA CODE · ILLINOIS

Area code 847

Area code 847 covers Northbrook, Illinois. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: Illinois Major City: Northbrook Central Time (CT) Overlay: 224/847
01 / WHERE IT IS

Where is area code 847?

Area code 847 is assigned to Northbrook and the surrounding region in Illinois. Calls to numbers that start with 847 are routed to this area.

Area code 847 shares its territory with 224. Because it is an overlay, local calls require dialing all 10 digits.

Counties covered

Cook CountyLake CountyDuPage CountyKane CountyMcHenry County

Line types

  • Mobile 25.32%
  • Landline 74.55%
02 / MAP

Area code 847 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

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© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Northbrook

This area code is in the Central Time (CT) time zone.

Local timeNorthbrook, IL--:--:--

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America/ChicagoLive
04 / HOW TO DIAL

How to call Northbrook

WITHIN THE US847 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 847 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 847 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 847 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 847 555 0123
🇦🇺Australia0011 1 847 555 0123
🇯🇵Japan010 1 847 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 847

Share of the number blocks by carrier and line type.

Landline

AT&T
72%
Verizon Business
12%
Lumen Technologies
8%
Windstream Communications
4%
Metro by T-Mobile
1%
Others
3%

Mobile

AT&T Mobility
40%
T-MOBILE USA
26%
Verizon Wireless
20%
USA Mobility
14%
INDIANA PAGING NETWORK
1%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 847

786 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(847) 200 Mobile Fox Lake AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL
(847) 201 Landline Round Lake Lumen TechnologiesLEVEL 3 COMMUNICATIONS, LLC - IL
(847) 202 Landline Palatine AT&TILLINOIS BELL TEL CO
(847) 203 Mobile Northbrook USA MobilityUSA MOBILITY WIRELESS, INC.
(847) 204 Mobile Northbrook West Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
(847) 205 Landline Northbrook AT&TILLINOIS BELL TEL CO
(847) 206 Mobile Northbrook USA MobilityAMERICAN MESSAGING SERVICES, LLC
(847) 207 Mobile Hinsdale AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL
(847) 208 Mobile Northbrook West T-MOBILE USAT-MOBILE USA, INC.
(847) 209 Mobile Hinsdale AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL

Showing 10 of 786 prefixes

07 / FAQ

Frequently asked questions about area code 847

Where is area code 847 used?
Area code 847 serves Northbrook and the surrounding area in Illinois, including Cook County, Lake County, DuPage County, Kane County, McHenry County.
What city is area code 847 from?
The main city of area code 847 is Northbrook, IL.
What time zone is area code 847 in?
Area code 847 is in the Central Time (CT) time zone (America/Chicago).
Is 847 an overlay area code?
Yes. It shares its territory with 224. In an overlay, every call requires dialing all 10 digits.
How do I call a number with area code 847 from the United States?
Dial the 10 digits: 847 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 847 number from another country?
Dial your country's exit code (or +), then 1, then 847 and the seven-digit number. From a mobile you can use +1 847 XXX XXXX.
Which carriers use area code 847?
Most landline blocks belong to AT&T and most mobile blocks to AT&T Mobility. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 847 for landlines, mobiles or both?
Both. About 74.55% of the number blocks are landline, 25.32% mobile.
How do I save a 847 number in WhatsApp or my phone?
Save it in international format: +1 847 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 847?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

Nearby area codes

219Gary, IN262Waukesha, WI414Milwaukee, WI574South Bend, IN269Kalamazoo, MI608Madison, WI

Other area codes in Illinois

217 · Springfield224 · Arlington Heights309 · Peoria312 · Chicago331 · Aurora447 · Danville464 · Tinley Park618 · Collinsville630 · La Grange708 · La Grange730 · Centralia773 · Chicago779 · Rockford815 · Rockford872 · Chicago

View all Illinois area codes →