730 area code: location, overlays and numbers
In St. Louis, Illinois, area code 730 works as a US telephone area code, in service since 2023, and it shares an overlay with 618.
- Location
- St. Louis in Illinois
- Service since
- 2023
- The time zone
- Central time
- Overlay
- 618
- Calls inside the area
- 10-digit dialing
- Rate centre list
- 242
- When exhaust is projected
- 2040
- Calling code for the country
- +1 (United States)
Information comes from NANPA public reports: the area code report and the rate-centre report, file dated 11/01/2026. The projected exhaust year is taken from the 2026-1 projections published by NANPA (April 2026). Our website is not an official NANPA website.
Get hold of a 730 number
There are two routes to a 730 number. A new number comes with a provider plan. You select it during sign-up from that provider's numbers in the code. Sellers list numbers they already hold, often with a pattern, at a one-time price, and you then transfer that number to a provider.
Providers ranked by first-year cost
| Provider | Cheapest plan | First year | Link |
|---|---|---|---|
 Free app | Basic (Just for me), free | $0 | Open Google Voice |
 Free app | Free plan, free | $0 | Open TextNow |
 Developer API | Pay-as-you-go local number, $1.15 a month | $13.80 | Open Twilio |
 Second-number app | Standard, $3.99 a month billed yearly | $47.99 | Open Burner |
 Toll-free specialist | Solo, $6.99 a month billed yearly | $84 | Open UniTel Voice |
 Second-number app | Deluxe (local number), $6.99 a month billed yearly | $102.88 | Open GoDaddy Conversations (formerly Smartline) |
Sellers listing local numbers
| Seller | What it sells | Listed price | Monthly fee | Link |
|---|---|---|---|---|
 Marketplace | Local numbers | From $9 one-time | None stated | Search at Exclusive Digits |
 Marketplace | Local and toll-free | From $9.95 one-time | $2.99 a month | Search at NumberBarn |
 Number broker | Local and toll-free | From $99 one-time | None stated | Search at RingBoost |
 Number broker | Local and toll-free | From $100 one-time | None stated | Search at PhoneNumberExpert |
| 212areacode.comNumber broker | Local numbers | From $150 one-time | None stated | Search at 212areacode.com |
Some sellers and providers may pay us a referral fee. First-year cost sets the order, and that order never changes. How we earn
Places in the 730 area code
For 730, NANPA lists 242 rate centres. Each one is a local calling area where numbers get assigned:
Addieville, Alhambra, Altamont, Anna, Ashley, Aviston, Bartelso, Beckemeyer, Belle Rive, Belleville, Benton, Bible Grove, Birds, Blairsville, Breese, Brighton, Broughton, Brownstown, Bunker Hill, Cairo, Carbondale, Carmi, Carterville, Centralia, Chester, Christopher, Claremont, Cobden, Columbia, Creal Springs, Albers, Albion, Allendale, Alton, Annapolis, Ava, Baldwin, Batchtown, Beecher City, Belle Prairie, Bellmont, Bethalto, Blair, Bluford, Bridgeport, Brookport, Browns, Brussels, Burnt Prairie, Calhoun, Carlyle, Carrier Mills, Cave In Rock, Chauncey, Chesterfield Rockbridge, Cisne, Clay City, Collinsville, Coulterville, Crisp and 182 more.
Area codes related to this one
Same area and same pool of numbers: 618. Any of these codes can supply a new number in this area, so ask for the one you want.
In Illinois, you will also find these codes: 217, 312, 815, 309, 708, 847, 630, 773, 224, 779, 331, 872, 447, 464 and 861.
730 area code questions
What area does area code 730 cover?
Calls to 730 ring in St. Louis, Illinois, and around St. Louis, MO-IL.
What country code does a 730 number use?
+1. Because 730 sits in the North American Numbering Plan, calling from abroad means dialing +1 730 and the 7-digit number.
What time is it in the 730 area code?
Central time applies to 730.
Who uses a 730 number to call?
Callers with a number in this code include homes, mobiles, local businesses, plus people who fake a local number. The 730 number shown on your screen tells you where it was assigned, not who the caller is.