The 457 area code covers the same area as 318, including Shreveport, Monroe and 108 more places in Louisiana.
457 has been in service since 2025, on Central Time. 318 covers the same area, so two neighbours can have different area codes.
- Where
- 8 counties in Louisiana, mostly Caddo Parish, Ouachita Parish and Rapides Parish
- Time zone
- Central Time
- In service since
- 2025
- Shares its area with
- 318 (since 1957)
- Prefixes in use
- None assigned yet, per NANPA
- How to dial
- Local calls need all 10 digits: 457-555-0142.
Find out who called you from a 457 number.
Enter the full 10-digit number to see who it is listed to, where it is registered, and whether it is a mobile, landline or VoIP line.
457 started in 2025 as an overlay on 318, and its ground has not changed since.
2025
457 starts as an overlay on 318: new numbers on the same ground.
A 457 number on your screen can still be a scam, because caller ID is easy to fake.
- Let an unknown call go to voicemail. A real caller leaves a message; a robocaller usually does not.
- Look the number up with the box above before you call back, because calling back tells a robocaller your line is live.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report unwanted robocalls at reportfraud.ftc.gov, or paste a suspicious message into our free scam checker.
Louisiana has 5 other area codes.
These are the questions people ask most about area code 457.
Where is area code 457?
457 covers Shreveport, Monroe, Alexandria and Ruston and 106 more places in Louisiana, in Caddo Parish, Ouachita Parish and Rapides Parish.
What time zone is area code 457 in?
457 is on Central Time.
Is 457 the same area as 318?
Yes. 318 (since 1957) covers the same ground as 457. Nobody's number changed when it was added; new lines simply get whichever code has numbers left, so two neighbours can have different codes.
How do I dial a 457 number?
Local calls need all 10 digits: 457-555-0142.
Who called me from a 457 number?
Enter the full 10-digit number in the lookup above. It returns the listed owner where there is a public record, where the number is registered, and whether it is a mobile, a landline or a VoIP line.
Is area code 457 a scam?
457 is a real Louisiana area code, so the code itself is not a warning sign. Scam callers fake local-looking numbers on purpose, so judge the call by what the caller asks for, and look the number up before calling back.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.