Area code 557: St. Louis, Missouri
Area code 557 is a Missouri code serving St. Louis, on Central Time. It overlays 314, so numbers in the same area may start with any of them. From abroad, dial +1 557 and the 7-digit number.
Updated
At a glance
- State
- Missouri
- Places served
- St. Louis
- Time zone
- Central TimeUTC−6, UTC−5 in summer
- Overlay codes
- 314Same area, assigned when numbers ran short.
- Country
- United States (+1)
- Number format
- (557) 555-0123+1 557 555 0123 in international format
How to call a 557 number
All +1 numbers are 10 digits: the 3-digit area code and a 7-digit local number.
| Calling from | Dial |
|---|---|
| Inside the US or Canada | 1 557 555 0123 |
| The UK and most of Europe | 00 1 557 555 0123 |
| Australia | 0011 1 557 555 0123 |
| Any mobile | +1 557 555 0123 |
555-0123 is a placeholder; use the real 7-digit number.
Get a (557) number without living there
A callmins US number costs $2.00/month, no setup fee. It rings in your browser or the callmins app anywhere in the world, receives texts, and needs no ID or local address. When you buy, search by area code to look for a 557 number.
Availability changes daily
Popular codes sell out. If there's no 557 number free, try the overlay code 314 or another Missouri code below. US numbers don't receive WhatsApp codes; use a UK number for that.
Other Missouri area codes
Questions people ask
Where is area code 557?
Area code 557 is in Missouri, the United States. It serves St. Louis, and shares the same area with 314 (overlay codes).
What time zone is area code 557?
Area code 557 is on Central Time (UTC−6, UTC−5 in summer). Where an area straddles a time-zone line, this is the time most of its callers keep.
How do I call a 557 number from abroad?
Dial your exit code, then 1, then 557 and the 7-digit number: 00 1 557 from the UK and most of Europe, or +1 557 from any mobile. Inside the US and Canada, dial 1 557 and the number.
Is a call from area code 557 a scam?
557 is an ordinary geographic area code, not a premium-rate or toll-free one. But caller ID can be faked, so a familiar-looking local code proves nothing about who is calling. Don't share codes or payment details with an unexpected caller.
Can I get a 557 phone number?
You can search callmins for a 557 number when you buy a US number ($2.00/month, no setup fee). Which area codes have numbers free changes daily; if 557 has none, pick a nearby or overlay code such as 314.
Related
A 557 number, in your browser.
$2.00/month, no setup fee. Calls and texts on your laptop or phone, from anywhere.
Area code details are compiled from North American Numbering Plan assignments and list the best-known places served; check NANPA for the full boundary.