Area code 730 — Illinois
Area code 730 is in Illinois and serves Carbondale, Alton, Belleville, Cahokia. Time zone, overlays, counties and ZIP codes.
| Location | Illinois (Carbondale, Alton, Belleville, Cahokia, Centralia, Edwardsville, Marion, Metropolis, Vandalia, and most of southern Illinois) |
|---|---|
| Main places | Carbondale, Alton, Belleville, Cahokia, Centralia, Edwardsville, Marion, Metropolis, Vandalia |
| State | Illinois |
| Status | In service · since 2023 |
| Time zone | Central · |
| Overlay codes | 618 Overlays share the same area. Local calls usually need 10-digit dialing. |
| Local dialing | 10 digits |
History
- Overlaid on 618
Counties (approximate)
AlexanderAlexander CountyBond CountyCalhounCalhoun CountyChristian CountyClay CountyClintonClinton CountyCrawford CountyCumberland CountyEdwards CountyEffingham CountyFayetteFayette CountyFranklinFranklin CountyGallatin CountyGreene CountyHamilton CountyHardinHardin CountyJacksonJackson CountyJasper CountyJeffersonJefferson CountyJersey CountyJohnsonJohnson County
ZIP codes in area code 730
Approximate: area code boundaries follow telephone rate centers, not ZIP codes.
62001 Alhambra62002 Alton62006 Batchtown62009 Benld62010 Bethalto62011 Bingham62012 Brighton62013 Brussels62014 Bunker Hill62015 Butler62016 Carrollton62017 Coffeen62018 Cottage Hills62019 Donnellson62021 Dorsey62022 Dow62023 Eagarville62024 East Alton62025 Edwardsville62026 Edwardsville62027 Eldred62028 Elsah62030 Fidelity62031 Fieldon62032 Fillmore62033 Gillespie62034 Glen Carbon62035 Godfrey62036 Golden Eagle62037 Grafton62040 Granite City62044 Greenfield62045 Hamburg62046 Hamel62047 Hardin62048 Hartford62049 Hillsboro62050 Hillview62051 Irving62052 Jerseyville
Format a 730 number
US numbers are written as (730) 555-0123 or 730-555-0123. From outside the US, dial +1 730 555 0123.
Is a call from 730 a scam?
An area code only tells you where a number was assigned. Caller ID can be faked (“spoofed”), so do not trust a call just because the area code looks local. Never share codes or payment details with unexpected callers.
Sources: NANPA via NumberResearch.org (CC BY 4.0); place names and history from Wikipedia (CC BY-SA 4.0). See data sources.