how to track a cell phone location?

There many type of trace a cell phone location:

Using Tracking Numbers

Track by Reference

Using a UPS InfoNotice

Follow up by email

SMS Tracking

Using My UPS Enhanced Tracking

UPS Signature Tracking

Tracking with UPS Internet Shipping

Using Tracking Numbers:

UPS uses tracking numbers to identify and track each shipment as it moves through the UPS system to its final destination. Is assigned a tracking number immediately when creating a shipment. You or your customer can use this number to:

Determine the current status of the shipment

Verify delivery of your shipment

Access to change delivery options

Track by Reference:

When creating a shipment, you can assign a shipment reference that contributes tocarrying out monitoring quickly and easily. This reference can contain up to 35 characters, any combination of letters and numbers, and will help you:

Coordinate with their billing systems or file, or with the customer

Reference a purchase order number, a customer job number or a number of bills of lading

Easily recognize your shipment by the description

Using a UPS InfoNotice;

UPS drivers leave a UPS InfoNotice to indicate that it has attempted delivery. Follow the instructions that the driver has indicated by the checkboxes InfoNotice UPS. You can also choose other options on ups.com. Enter your 12-digit number of the UPS InfoNotice(found above the bar code) in the field or tracking numbers InfoNotice on 'ups' home page or home page of track and then Monitoring button. You have the following:

Verify delivery of your shipment

Choose from up to four delivery options for change

SMS Tracking;

Use your mobile device to determine the current status of your shipment tracking when traveling. To learn how to track SMS messages, select the link below. Before accessing the UPS SMS Tracking, check the following:

The mobile device and service available to include the ability to surf the Internet or send and receive SMS text messages.

It is in a digital coverage area (the supplier can provide digital coverage areas).

It has blocked the Caller ID of the caller on the phone