| Symbol | Name | Country | Exchange |
|---|---|---|---|
| TEF | Telefonica SA | US | NYSE |
| VIV | Telefonica Brasil, S.A. ADS | US | NYSE |
| TELDF | Telefónica Deutschland Holding AG | US | OTC |
| TELDY | Telefonica Deutschland Holding Ag | US | OTC |
| THDS | 3Dshopping.com | US | OTC |
| 0762 | China Unicom Hong Kong Ltd | HK | HK |
| FTE | Orange SA | DE | F |
| O2D | Telefónica Deutschland Holding AG | DE | F |
| TEF | Telefonica | ES | MC |
| OIBR3 | Oi S.A | BR | SA |
| OIBR4 | Oi S.A | BR | SA |
| 600050 | China United Network Communications Ltd | CN | SHG |
| CTC | Telefonica Chile SA | CL | SN |