Croydon premium center phone number

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Hi Gents ,

I am looking for Croydon premium centre phone number I need to made an inquiry regarding my application
I went on premium service on 24th June 2016 for my ILR visa application ( I did variation of my application ) , but they did not decided on same day .They said they don't have original documents with them , they will request from other branch and will update me .
I need my original documents and passport as soon as possible , as I am planning to travel abroad ( I did explain same thing to caseworker on appointment day and she said she will request docuemtns and will let me know )
Could someone please provide me direct phone number for Croydon center .
I do have a number which does not work 0300 123 2241 ( It is a general inquery number for home office not for croydon center- I need croydon center number )

Thanks in advance .