Carrier Uses Which Network?
These "alternative" carriers mostly use one of the Top 4 major
"re-sellers" provide your phone, plan and customer service but
the actual cellular signal comes from one of the 4 carriers, below. MVNO Note
the AT&T Network (GSM):
Using the Sprint Network
the T-Mobile Network (GSM):
the Verizon Wireless Network (CDMA):
Phone Can Operate or Roam on
More than One Network)
carriers allow off-network roaming for a certain amount of Talk and
Text only, no Data.
are also known as Mobile Virtual Network Operators (MVNO), wholesale
networks, or cellular "re-sellers", that use the main carriers'
networks. Occasionally, these MVNO's will use networks
provided by carriers that are not one of Top 4. In most cases you won't
know which carrier you're using, especially with the companies that use
Multiple Networks, as listed above. The
type of wireless
device determines whether a CDMA or GSM carrier is used. Some features that are
available from the "main" carriers may not be offered by these
re-sellers. This is where to look if you hate your carrier but love