St. Louis area codes in brief
| Code | Main places | Since | Overlay | Time zone | Exhaust |
|---|---|---|---|---|---|
| 314 | Creve Coeur, Kirkwood, Ladue and more | 1947 | 557 | Central time | 2060 |
| 557 | Creve Coeur, Kirkwood, Ladue and more | 2022 | 314 | Central time | 2060 |
Source: NANPA public reports: the area code report and the rate-centre report, from the 11/01/2026 file. The exhaust year comes from the NANPA projections 2026-1 file (April 2026). We are not an official NANPA site.
Around St. Louis: nearby area codes
The metro area of St. Louis, MO-IL includes 573, 636 and 235 as well.
Get a number for St. Louis
Two ways exist for getting a St. Louis number. A new number comes with a provider's plan. It gets picked when you sign up, from the numbers the provider holds in the code. A seller lists the numbers it already holds, often ones with a pattern, at a one-time price. After that, you move the number over 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 that list 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 decides the order, and we never change it. How we earn
St. Louis area code questions
Which area code does St. Louis use?
Two codes serve St. Louis: 314 and 557. The two codes overlay one another, so any of them can supply a new number.
Which St. Louis area code is the original?
The code in place since 1947 is 314.
When I call inside St. Louis, do I need the area code?
Yes, you dial the full 10-digit number.