The 457 area code covers the same area as 318, including Shreveport, Monroe and 108 more places in Louisiana.
Area code 457 is in Louisiana, on Central Time. In the 457 area, phone numbers are given out most in Caddo Parish, then Ouachita Parish and Rapides Parish. It has been in service since September 25, 2025. 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
- September 25, 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, the city and state on the listing, and whether it is a mobile, landline or VoIP line. It is the same free check as our who called me lookup. To see only the caller ID name on the number, use our free CNAM lookup.
457 started in 2025 as an overlay on 318, and its ground has not changed since.
2025
457 starts on September 25, 2025, 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.
The area codes closest to 457 are 337, 225 and 409.
This list measures the distance between the centres of each area, across state lines, and shows codes that share one area together.
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 the 457 area, phone numbers are given out most in Caddo Parish, then Ouachita Parish and Rapides Parish.
What state is area code 457 in?
Louisiana. 457 is a Louisiana area code on Central Time.
What cities use area code 457?
The places holding the most 457 prefixes are Shreveport, Monroe, Alexandria, Ruston, Natchitoches, Minden, Bastrop and Marksville, out of 110 places in all. The count comes from NANPA's prefix assignments as of October 1, 2026.
What time zone is area code 457 in?
457 is on Central Time.
When did area code 457 start?
457 went into service on September 25, 2025, as an overlay on 318: new numbers for the same area.
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.
Is 457 a toll-free number?
No. 457 is a regular area code for Shreveport and Monroe in Louisiana, not a toll-free one. The toll-free codes in North America are 800, 833, 844, 855, 866, 877 and 888.
What area codes are near 457?
The closest are 337 (Lafayette, Louisiana), 225 (Baton Rouge, Louisiana), 409 (Beaumont, Texas) and 601/769 (Jackson, Mississippi), measured between the centres of each area.
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.