Estados Unidos da América

AT&T

4 images

Cominex (CNX)

1 image

ConQuest (CQU)

1 image

Frontier Communications (FRO)

1 image

GTI Telecom (GTI)

1 image

IDT Corporation

4 images

International TeleCard

1 image

LDDS WorldCom (LDD)

1 image

MCI Inc

3 images

Mobile United States

1 image

Outras Companhias

8 images

Phonetime Inc PTI

4 images

SmarTalk TeleServices (STI)

2 images

Sprint (SPR)

1 image

Verizon

2 images

New