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How do we pronounce the http status code 404 not found: four hundreds and four, four-zero-four or four-four? We usually use 200, 201, 302, 401, 403, 404, 412, 500. I have read How to pronounce "720p" and "1080p".

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On youtube, search for: 404 podcast, where they usually say four-oh-four a few times in the first half-minute of each show – jwpat7 Mar 23 '12 at 4:59
up vote 17 down vote accepted

It is pronounced as Four-o-Four not found .

Other codes can be pronounced as Dusty mentioned. Along with that:

  • 720p = Seven Twenty P
  • 1080 = Ten Eighty P
  • 201 = Two O One
  • 302 = Three O Two

These are just the common pronunciation notations. I hope this helps.

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Four oh four. But isn't it true that saying "oh" for "zero" is less common in the UK than in the US? – GEdgar Mar 23 '12 at 14:00
@GEdgar: In the UK 'oh' is far more common than 'zero' for things like telephone numbers. – UpTheCreek Mar 23 '12 at 14:09

It's normally pronounced four-oh-four. The same pattern would apply to the rest of the status codes you listed except for:

200 - two hundred

412 - four twelve

500 - five hundred

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