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627 is not a working area code in the United States.

No phone number in the US or Canada starts with 627. NANPA, which runs the North American numbering plan, lists it as reserved and never assigned, as of October 1, 2026. If your phone showed a (627) number, the caller ID was faked.

Status
Reserved, never in service
Working codes one digit away
626 (Alhambra, California) and 628 (San Francisco, California)
Outside the US
+52 627 is Hidalgo del Parral, Chihuahua, Mexico

Check the number that actually called you.

Enter the full 10-digit number to see who it is listed to and the city and state on the listing. 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. To see whether it is a mobile, a landline or a VoIP line, use our free VoIP checker. To see which carrier a (627) number is on today, use our free carrier lookup.

A call showing (627) was almost certainly spoofed, so treat it as a robocall.

  1. Let an unknown call go to voicemail. A real caller leaves a message; a robocaller usually does not.
  2. Look the number up with the box above before you call back, because calling back tells a robocaller your line is live.
  3. 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.
  4. Report unwanted robocalls at reportfraud.ftc.gov, or paste a suspicious message into our free scam checker.

Mexico uses 627 for Hidalgo del Parral in Chihuahua.

Outside the North American plan, 627 is the area code for Hidalgo del Parral in Chihuahua, Mexico. A call from there shows +52 627 before the local number. If the screen shows (627) with no +52 in front, the number is fake rather than Mexican.

California planned 627 for Napa and Sonoma in 1999, then cancelled it.

Pacific Bell scheduled a split of the 707 area in 1999 that would have given most of Napa and Sonoma counties a new 627 code from December 2000. The California Public Utilities Commission cancelled it on July 27, 2000, because number pooling had freed up enough 707 numbers. When 707 finally needed more numbers, it got 369 as an overlay on February 1, 2023.

These are the questions people ask about 627.

Is 627 a real area code?

Not in the US or Canada. NANPA lists 627 as reserved and never assigned as of October 1, 2026, so no phone number in the North American plan starts with it.

Why did I get a call from a 627 number?

Because caller ID is easy to fake. Robocallers put any digits they like in the caller ID, including codes that do not exist. A call showing (627) with no country code in front was spoofed.

Is +52 627 a real number?

Outside the North American plan, 627 is the area code for Hidalgo del Parral in Chihuahua, Mexico. A call from there shows +52 627 before the local number.

Was 627 ever planned for somewhere?

California planned 627 for Napa and Sonoma in 1999, then cancelled it. Pacific Bell scheduled a split of the 707 area in 1999 that would have given most of Napa and Sonoma counties a new 627 code from December 2000. The California Public Utilities Commission cancelled it on July 27, 2000, because number pooling had freed up enough 707 numbers. When 707 finally needed more numbers, it got 369 as an overlay on February 1, 2023.

Which area code did they mean?

The working codes one digit away are 626 (Alhambra, California) and 628 (San Francisco, California). A misdialed or mistyped number is the most common honest reason to see 627.

Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026. Area codes 707 and 369 (Wikipedia). Parral, Chihuahua (Wikipedia).