Utilities

San Diego Gas and Electric (SDGE)
San Diego Water Department
SBC Telephone

Cable Television

Adelphia Cable Television - Mostly in Del Mar and North
Cox Communications Cable Television - Mostly Below Del Mar and Above Downtown
Time Warner San Diego Cable Television - Mostly in Downtown and below

Cellular Phone Service Providers

Cingular
Cricket
Sprint
T-Mobile
Verizon

Internet Service Providers

Cable Internet

Adelphia Cable Television - Mostly in Del Mar and North
Cox Communications Cable Television - Mostly Below Del Mar and Above Downtown
Time Warner San Diego Cable Television - Mostly in Downtown and below

DSL Internet

SBC Telephone

Wireless Internet

Richochet
Verizon

Satellite Television and Radio

DirecTV Satellite TV
Sirius Satellite Radio
XM Satellite Radio