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730 Area Code 🌍☎️

Area Code Profile · Illinois

The 730 area code is located in the state of Illinois and covers 329 cities, serving a total population of approximately 866,657. Major cities covered by the 730 area code include Belleville, Granite City, O'Fallon, Alton, East St. Louis (which represents the most populated areas). There are a total of 52 telephone prefix exchanges in this area code, which support an estimated 520,000 active or assignable phone numbers. These prefix lines are operated by 9 distinct carriers, with Belleville as the primary rate center location.

Central Time329 Cities52 Prefixes

Reverse Phone Lookup in Belleville, Illinois

Unmask unknown callers, verify telemarketing reports, and view detailed owner information for any phone number beginning with area code (730).

How it works

1

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Provide any 10-digit phone number starting with the (730) area code.

2

Database Search

Our system scans public registries, carrier mappings, and spam reports.

3

Reveal Report

Access location details, line type, carrier, owner information, and safety levels.

Neighborhood Demographics

Calculated demographics and census summary estimations for area code 730.

32.5 y/oMedian Age
$82,000Median Income
$385,000Median Home Value
866,657Total Population

Telemarketer Complaints

Most recent complaints and comments for phone numbers beginning with 730.

Did you receive an unwanted call from a (730) phone number?

Help the community identify spammers by filing a comment.

(730) 584-1490May 16, 2026Debt Collector
Automated voice caller looking for someone named David. Keeps calling repeatedly asking to settle a debt. I have had this number for years and don't know David.
See Details
(730) 597-1507May 20, 2026Political
Pre-recorded campaign call promoting a local candidate. Did not respect my request to be placed on the Do Not Call list.
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(730) 610-1524May 19, 2026Scam / Fraud
Received a text and follow-up call saying my bank account was locked due to suspicious transactions. Included a link to a fake login portal. Do not click!
See Details
(730) 623-1541May 18, 2026Robocall
Robocall regarding health insurance plans. Said my current coverage was expiring and offered a "free consultation". Calling multiple times a day from slightly different numbers.
See Details

Cities in the 730 Area Code

The most populous cities in area code 730 are: Belleville (44,478), Granite City (29,849), O'Fallon (28,281), Alton (27,865), and East St. Louis (27,006).

Other cities in the 730 area code include:

Carbondale, Collinsville, Edwardsville, Godfrey, Marion, Fairview Heights, Mount Vernon, Cahokia, Swansea, Centralia, Glen Carbon, Shiloh, Herrin, Wood River, Highland, Troy, Waterloo, Columbia, Bethalto, Olney, Harrisburg, Chester, Jerseyville, West Frankfort, Murphysboro.

CityPopulation% in Area Code
Belleville44,478100%
Granite City29,849100%
O'Fallon28,281100%
Alton27,865100%
East St. Louis27,006100%
Carbondale25,902100%
Collinsville25,579100%
Edwardsville24,293100%
Godfrey17,982100%
Marion17,193100%
Fairview Heights17,078100%
Mount Vernon15,277100%
Cahokia15,241100%
Swansea13,430100%
Centralia13,032100%
Glen Carbon12,934100%
Shiloh12,651100%
Herrin12,501100%
Wood River10,657100%
Highland9,919100%

Showing top 20 of 329 cities.

What Time Zone is Area Code 730?

Central Time Zone

Abbreviation: CT · UTC Offset: UTC-6

The 730 area code lies within the Central Time Zone (CT, UTC-6).

Nearby Area Codes

217Springfield, Illinois224Elgin, Illinois309Peoria, Illinois312Chicago, Illinois331Aurora, Illinois447Springfield, Illinois464Cicero, Illinois618Belleville, Illinois630Aurora, Illinois708Cicero, Illinois

Phone Prefixes in the 730 Area Code

52 prefixes found · 9 carriers · 46 rate centers

PrefixCarrierRate Center
(730) 200ONVOY, LLCKASKASKIA
(730) 201ONVOY, LLCCHRISTOPHR
(730) 202ONVOY, LLCRALEGHGLTI
(730) 203ONVOY, LLCSHAWNEETN
(730) 204ONVOY, LLCVILLARIDGE
(730) 205ONVOY, LLCDONGOLA
(730) 206ONVOY, LLCRIDGWAY
(730) 207AT&T CORP.IUKA
(730) 208NEW CINGULAR WIRELESS PCS, LLC - ILHERRIN
(730) 209ONVOY, LLCBRUSSELS
(730) 210ONVOY, LLCBELLMONT
(730) 212ONVOY, LLCINA
(730) 213ONVOY, LLCKELL
(730) 214ONVOY, LLCKINMUNDY
(730) 215ONVOY, LLCMULBRY GRV
(730) 216ONVOY, LLCPATOKA
(730) 217ONVOY, LLCSHATTUC
(730) 218ONVOY, LLCST PETER
(730) 219ONVOY, LLCWOODBURN
(730) 220NEW CINGULAR WIRELESS PCS, LLC - ILCENTRALIA
(730) 221COMMIO, LLCBROOKPORT
(730) 222COMMIO, LLCDE SOTO
(730) 223COMMIO, LLCGOREVILLE
(730) 224COMMIO, LLCKARNAK
(730) 225CALLWORKS CORPORATIONCAIRO
(730) 226NEW CINGULAR WIRELESS PCS, LLC - ILCOLLINSVL
(730) 227NEW CINGULAR WIRELESS PCS, LLC - ILCENTRALIA
(730) 228IP HORIZON LLCOLNEY
(730) 229CHARTER FIBERLINK - ILLINOIS, LLC - ILOAKDALE
(730) 230T-MOBILE USA, INC.ALTON
(730) 231T-MOBILE USA, INC.E ST LOUIS
(730) 232NEW CINGULAR WIRELESS PCS, LLC - ILCENTRALIA
(730) 233T-MOBILE USA, INC.MCCLURE
(730) 234NEW CINGULAR WIRELESS PCS, LLC - ILCENTRALIA
(730) 235T-MOBILE USA, INC.MURPHYSBO
(730) 236T-MOBILE USA, INC.TROY
(730) 237CHARTER FIBERLINK - ILLINOIS, LLC - ILPINCKNEYVL
(730) 238ONVOY, LLCOLNEY
(730) 239NEW CINGULAR WIRELESS PCS, LLC - ILMT VERNON
(730) 240ONVOY, LLCO FALLON
(730) 241NEW CINGULAR WIRELESS PCS, LLC - ILHERRIN
(730) 242NEW CINGULAR WIRELESS PCS, LLC - ILCARBONDALE
(730) 243ONVOY SPECTRUM, LLCPAULTON
(730) 244ONVOY SPECTRUM, LLCSESSER
(730) 245ONVOY SPECTRUM, LLCSTONEFORT
(730) 246ONVOY SPECTRUM, LLCCOBDEN
(730) 247ONVOY SPECTRUM, LLCJOPPA
(730) 248ONVOY SPECTRUM, LLCZEIGLER
(730) 249NEW CINGULAR WIRELESS PCS, LLC - ILOLNEY
(730) 251ONVOY, LLCSALEM
(730) 302ONVOY, LLCBENTON
(730) 618CHARTER FIBERLINK - ILLINOIS, LLC - ILRICE

Frequently Asked Questions

Where is area code 730?
Area code 730 is located in Illinois, covering cities including Belleville, Granite City, O'Fallon.
What time zone is area code 730?
Area code 730 is in the Central Time Zone (CT, UTC-6).
What state is area code 730?
Area code 730 is in Illinois.