Giving Contact Information
You can use most of these sentences both in formal and informal contexts.
Listen 
to these sentences and Repeat!
How do I get in touch?
How can I get back to you?
Are you on e-mail?
You can reach me AT ... (phone number, address, e-mail address)
You can reach me via e-mail: ... (e-mail address)
You can reach me via e-mail at ... (e-mail address: youremail@yourserver.com)
You'll find me at home after six.
You'll find me at 28 Doston Street. ("at" + number)
You'll find me somewhere in Oxford Street! ("in" when no number is specified)
You'll find me at the (swimming-)pool/at the computer...
You'll find me at the local bar, sitting by myself, reading a thick book...
You'll find me at my blog.
You'll find me where we used to meet before.
You'll find me at table A-6.
If you need to get in touch with me, you can reach me at ... (same options as above)
If you need to get in touch, call me at...
If you need to get in touch with us, please give us a call.
If you need to get in touch with us, don't hesitate to give us a call.
For contact information on (the) members of (the) staff, please see attached file.
Please, do not hesitate to get in touch.
Please use this form to get in touch with us.
If you've got a specific question about our services, then why not check out our website and get in touch with us!
If you have any questions or comments, please get in touch with us.
E-mail is the best way to get in touch with me.
The easiest way to get in touch with us is BY/VIA phone or email.
Feel free to get in touch with us if you feel we can help, or if you have any questions about ...
You are welcome to get in touch with us if you have any questions.
You can contact us...
Listed below is contact information for various departments within the company.
For contact information for the Office of ..., see ...
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I'll call you later...
OK, then. I'll get back to you as soon as I get home.
OK, then. I'll get back to you later.
OK, then. I'll get back to you when we get the order.
