How u get a number that already deleted out your phone

To recover deleted phone numbers from your Android phone, the easy way is using Android data recovery program. Just connect Android phone to computer via usb cable, open the program. Then you can access deleted phone number and recover them. How to Recover Deleted Contacts Phone Numbers from Android Phone

You can use a data recovery tool to recover the deleted or lost data from your android phone.
This guide can be helpful, have a look,

Recover Deleted Contacts from Android

If you are using an iPhone, there are 3 ways at your disposal.

1. Backing up regularly is a good habit. If you have backed up your device with iTunes, you can extract contacts from your iTunes backup. However, the data on your iPhone will be replaced by the backup and the data you generated since your last sync will be lost.

2.Recover contacts from iCloud. Log into your iCloud account, click
on the "Contacts" icon and restore contact from your iPhone.

3. Use a third-party software. Jihosoft iPhone Data Recovery
can help you recover contacts from your iPhone directly or from iTunes backup. You can preview the content before recovery and selectively recover the data you want.

It has both Windows and Mac version:
Jihosoft iPhone Data Recovery (Win)
Jihosoft iPhone Data Recovery for Mac (Mac)

More info about recovering contacts please read on:
How to Restore Contacts on iPhone 6S 6 5S 5C 5 4S 4 3GS

Hope it can help you.

Data recovery software-restore deleted contacts from android phone. Accidently deleted some contacts on your Samsung Galaxy S6 ? A software can help you from big headache of Restoring deleted Contacts.
Here on video we Show you step-by-step guide to recover deleted contacts on android device with GT Recovery for Windows.
With this way you can recover deleted contacts on any brands of Android device such as Samsung, HTC, Huawei, Sony, Motorola, Lenovo, LG, Sharp, etc.
Twitter:https://twitter.com/GtRecoveryapp
Facebook Homepage:https://www.facebook.com/GT-Recovery-for-Windows-527139864132104/
Download Link:http://www.gtrecovery.net/

You want to recover a deleted number from your phone, right? Would you mind telling me what kind of phone is it?

If you're on an iPhone and you update your iPhone backup in iTunes regularly, you'll be able to restore your phone with iTunes to get the lost numbers back. Manually restoring iPhone with iTunes is easy to be done, you only need to connect your iPhone to computer with the USB cable, and choose Restore iPhone backup in iTunes, then select the iPhone backup in iTunes to start restoring iPhone with the iTunes backup. Note that updating the iPhone backup after the number got lost won't be helpful at all.

Here are also some other solutions to help you get the lost number back from an iPhone. http://www.leawo.org/tutorial/how-to-recover-deleted-contacts-from-iphone-2.html

If you have have a connection with your computer you may be able to use the phones computer software to re instate your missing number(s).