Usage of 'call'

[Daemon99]

Could someone please tell me which of the following sentences are ok?

1) I'll call you on your mobile.
2) I'll call you at your mobile.
3) I'll call you to your mobile.
4) Please call me on this number
5) Please call me to this number.
6) Please call me over this number.
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Non-native speaker of English
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I intend to live forever - so far, so good.

[Torsten]

I'll call you at your cell. (American English)
I'll call you on your mobile. (British English)

TOEIC short conversations: Two people talk about their cell phone providers

[Yankee]

.
I'd say "I'll call you on your cell."

You could request a call this way:
"Please call me at 567-1345."

In other words, I would call someone on a phone but I would call someone at a phone number.

(AmE)