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Area Code 630 Location & Details

State / Region: Illinois • Country: United States

Major Cities Covered: Aurora, Naperville, Schaumburg, Bolingbrook, Wheaton, Downers Grove, Elmhurst, Lombard, Bartlett, Oswego

Standard Dial Format
+1 (630) XXX-XXXX
Country Code: +1 (NANP Format)
What State is Area Code 630?
IllinoisState Hub →
Country Territory
United States
630 Area Code Time Zone
Central
630 Overlay Codes
331

Area Code 630 Geographic Map

Interactive location bounds and coverage area for Illinois (Central Timezone)

Lat: 41.84° • Lng: -88.15°
📍 Geographic Center: IllinoisMap data © OpenStreetMap contributors

Where is Area Code 630 Located?

Telephone area code 630 is assigned to Illinois in United States. It serves cities and metropolitan communities including Aurora, Naperville, Schaumburg, Bolingbrook, Wheaton, Downers Grove, Elmhurst, Lombard, Bartlett, Oswego.

Historical Context & Area Code Overlay Information:630 serves Illinois (United States).

For local and long-distance calls within area code 630, standard 10-digit dialing (630) XXX-XXXX applies.

Who Called Me from Area Code 630?

Received an unknown call, missed call, or text scam from area code 630? Here is how to trace who is calling from 630 area code and verify unknown numbers safely:

1.
Identify Missed Calls & Voicemails:

Legitimate contacts usually leave a detailed voicemail or caller ID record.

2.
Watch Out for Neighbor Spoofing:

Robocallers often fake incoming caller ID numbers using your local 630 prefix to boost pick-up rates.

3.
Reverse Phone Lookup Area Code 630:

Search public white-pages or use caller intelligence guides before returning unfamiliar calls.

Learn How Reverse Phone Lookups Work→

How to Call Area Code 630 & Dialing Format

When placing a phone call to a number in area code 630, follow the correct dialing format depending on your calling location:

  • Calling from inside the US / Canada (+1): Dial 1 + (630) + 7-digit number.
  • Calling from an international location outside +1: Dial your country's international exit code (e.g. 011 in US or + on mobile) + 1 + 630 + 7-digit number.
  • Do I need to dial area code 630 for local calls? Yes, 10-digit dialing (area code + line number) is mandatory across North American telephone networks.

Top Cities & Municipalities Served in Area Code 630

Urban centers, census places, and communities within the +1-630 calling area

50 Major Cities Listed
City NameCountyPopulation% of 630 Pop
AuroraDuPage County181,50511.9%
NapervilleDuPage County153,11410.0%
SchaumburgDuPage County77,2495.1%
BolingbrookDuPage County74,8034.9%
WheatonDuPage County54,0653.5%
Downers GroveDuPage County50,3653.3%
ElmhurstDuPage County46,1113.0%
LombardDuPage County44,3992.9%
BartlettDuPage County40,8552.7%
OswegoKendall County39,9482.6%
Carol StreamDuPage County39,3152.6%
StreamwoodDuPage County38,2772.5%
Hanover ParkDuPage County36,5682.4%
AddisonDuPage County35,7582.3%
WoodridgeDuPage County34,0282.2%
St. CharlesKane County33,5942.2%
Glendale HeightsDuPage County32,6552.1%
Glen EllynDuPage County28,7501.9%
YorkvilleKendall County26,7301.8%
BataviaKane County26,5861.7%

Counties Covered by Area Code 630

Geographic county distribution and population coverage across Illinois

County NameTotal Population% of 630 Area% of County
DuPage County932,65183.1%100%
Kane County523,4308.6%25%
Kendall County143,1256.6%71%
Will County708,9801.6%4%

☎️Area Code 630 Exchange Prefixes & Carriers

Showing 50 of 800 central office 3-digit prefixes and assigned telecom carriers

67% Landline32% Wireless1% VoIP
PrefixLine UsageRate CenterAssigned CarrierAssign Date
(630) 200-📱WirelessNAPERVILLECELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL08/30/2006
(630) 201-📱WirelessNAPERVILLET-MOBILE USA, INC.08/20/2004
(630) 202-📱WirelessLA GRANGET-MOBILE USA, INC.N/A
(630) 203-📞LandlineHINSDALEMCIMETRO ACCESS TRANSMISSION SERVICES LLC - ILN/A
(630) 204-📱WirelessNORTHBROOKCELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILN/A
(630) 205-📱WirelessNORTHBROOKT-MOBILE USA, INC.N/A
(630) 206-📞LandlineW CHICAGOLEVEL 3 COMMUNICATIONS, LLC - ILN/A
(630) 207-📱WirelessHINSDALENEW CINGULAR WIRELESS PCS, LLC - ILN/A
(630) 208-📞LandlineGENEVAILLINOIS BELL TEL CON/A
(630) 209-📱WirelessHINSDALENEW CINGULAR WIRELESS PCS, LLC - ILN/A
(630) 210-📞LandlineNAPERVILLETELEPORT COMMUNICATIONS AMERICA, LLC - ILN/A
(630) 211-📞LandlineXXXXXXXXXXMULTIPLE OCN LISTINGN/A
(630) 212-📱WirelessWHEELINGNEW CINGULAR WIRELESS PCS, LLC - ILN/A
(630) 213-📞LandlineBARTLETTILLINOIS BELL TEL CON/A
(630) 214-📞LandlineHINSDALELEVEL 3 COMMUNICATIONS, LLC - ILN/A
(630) 215-📱WirelessLA GRANGENEW CINGULAR WIRELESS PCS, LLC - ILN/A
(630) 216-📞LandlineBIG ROCKRCN TELECOM SERVICES OF ILLINIOS, INC. - ILN/A
(630) 217-📱WirelessROSELLENEW CINGULAR WIRELESS PCS, LLC - ILN/A
(630) 218-📞LandlineHINSDALEILLINOIS BELL TEL CON/A
(630) 219-📞LandlineNAPERVILLELEVEL 3 COMMUNICATIONS, LLC - IL11/16/2006
(630) 220-📱WirelessROSELLENEW CINGULAR WIRELESS PCS, LLC - ILN/A
(630) 221-📞LandlineWHEATONILLINOIS BELL TEL CON/A
(630) 222-📱WirelessCHICGOZN01CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ILN/A
(630) 223-📞LandlineLA GRANGESPOK, INC.N/A
(630) 224-📞LandlineNAPERVILLEILLINOIS BELL TEL CON/A
(630) 225-📞LandlineWARRENVLLEVEL 3 COMMUNICATIONS, LLC - ILN/A
(630) 226-📞LandlineLEMONTILLINOIS BELL TEL CON/A
(630) 227-📞LandlineBENSENVLILLINOIS BELL TEL CON/A
(630) 228-📞LandlineITASCALEVEL 3 COMMUNICATIONS, LLC - ILN/A
(630) 229-📞LandlineAURORACOMCAST IP PHONE, LLCN/A
(630) 230-📞LandlineHINSDALEILLINOIS BELL TEL CON/A
(630) 231-📞LandlineW CHICAGOILLINOIS BELL TEL CON/A
(630) 232-📞LandlineGENEVAILLINOIS BELL TEL CON/A
(630) 233-📞LandlineBARTLETTPAETEC ITEL, LLCN/A
(630) 234-📱WirelessW CHICAGONEW CINGULAR WIRELESS PCS, LLC - ILN/A
(630) 235-📱WirelessLA GRANGENEW CINGULAR WIRELESS PCS, LLC - ILN/A
(630) 236-📞LandlineAURORAILLINOIS BELL TEL CON/A
(630) 237-📞LandlineROSELLETELEPORT COMMUNICATIONS AMERICA, LLC - ILN/A
(630) 238-📞LandlineBENSENVLILLINOIS BELL TEL CON/A
(630) 239-📞LandlineBATAVIAMCIMETRO ACCESS TRANSMISSION SERVICES LLC - ILN/A
(630) 240-📱WirelessLA GRANGENEW CINGULAR WIRELESS PCS, LLC - ILN/A
(630) 241-📞LandlineDOWNERSGRVILLINOIS BELL TEL CON/A
(630) 242-📞LandlineHINSDALELEVEL 3 COMMUNICATIONS, LLC - ILN/A
(630) 243-📞LandlineLEMONTILLINOIS BELL TEL CON/A
(630) 244-📱WirelessWHEELINGNEW CINGULAR WIRELESS PCS, LLC - ILN/A
(630) 245-📞LandlineNAPERVILLEILLINOIS BELL TEL CON/A
(630) 246-📞LandlineBARTLETTLEVEL 3 COMMUNICATIONS, LLC - ILN/A
(630) 247-📱WirelessHINSDALENEW CINGULAR WIRELESS PCS, LLC - ILN/A
(630) 248-📱WirelessLA GRANGENEW CINGULAR WIRELESS PCS, LLC - ILN/A
(630) 249-📞LandlineLA GRANGESPOK, INC.N/A

Frequently Asked Questions about Area Code 630

Where is area code 630 located?

Area code 630 is located in Illinois (United States), serving cities like Aurora, Naperville, Schaumburg, Bolingbrook, Wheaton, Downers Grove, Elmhurst, Lombard, Bartlett, Oswego.

What timezone is area code 630?

Area code 630 operates in the Central timezone.

What state is area code 630?

Area code 630 is assigned to the state / telecom territory of Illinois.

Is area code 630 a scam or dangerous?

Area code 630 is an official geographic area code for Illinois. However, beware of robocaller spoofing.

Illinois State Area Codes

View complete directory of telephone area codes assigned to Illinois.

Explore Illinois Directory

Get a 630 Business Phone Number

How to acquire a virtual phone number or business line with area code 630 for local customer trust in Illinois.

Get 630 Business Number
🛡️ Scam & Safety Directory

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Scam Area Codes 2026

Overlay & Nearby Area Codes for Illinois

Explore neighboring telecom prefixes sharing geographical boundaries with area code 630.

331
Central
Area Code 331
Aurora, Naperville, Schaumburg, Bolingbrook, Wheaton, Downers Grove, Elmhurst, Lombard, Bartlett, Oswego
217
Central
Area Code 217
Springfield, Champaign, Decatur, Urbana, Quincy, Danville, Jacksonville, Charleston, Mattoon, Chatham
224
Central
Area Code 224
Elgin, Waukegan, Schaumburg, Evanston, Arlington Heights, Skokie, Palatine, Des Plaines, Mount Prospect, Hoffman Estates
309
Central
Area Code 309
Peoria, Bloomington, Normal, Moline, Romeoville, Rock Island, Pekin, Galesburg, East Peoria, Crest Hill
312
Central
Area Code 312
Chicago, West Chicago
447
Central
Area Code 447
Springfield, Champaign, Decatur, Urbana, Quincy, Danville, Jacksonville, Charleston, Mattoon, Chatham