| 2026-03-30 | Onetime AT&T competitor |
| 2024-04-25 | Former AT&T competitor |
| 2020-07-10 | The year 1101 |
| 2019-09-04 | 1101, in old Rome |
| 2018-06-19 | Verizon acquisition of 2006 |
| 2017-07-29 | Verizon purchase of 2006 |
| 2016-09-27 | Former telecom giant |
| 2014-10-06 | Old AT&T rival |
| 2014-06-13 | Sprint competitor, once |
| 2012-11-24 | Old long-distance letters |
| 2012-10-18 | Verizon subsidiary |
| 2011-11-06 | Former call letters? |
| 2011-10-19 | Company acquired by Verizon in 2006 |
| 2011-07-20 | Former telecom giant |
| 2011-01-09 | 2006 Verizon acquisition |
| 2010-12-09 | Co. bought by Verizon |
| 2010-08-14 | Verizon acquisition of 2006 |
| 2009-08-04 | 2006 Verizon purchase |
| 2009-06-16 | Telecom giant acquired by Verizon |
| 2009-04-15 | Co. acquired by Verizon in 2006 |
| 2007-05-21 | Sprint rival |
| 2007-03-28 | Long-distance letters |
| 2006-06-23 | Call letters? |
| 2004-07-04 | Long-distance inits. |
| 2004-03-30 | ___ WorldCom |
| 2003-07-11 | Baby Bell competitor |
| 2003-04-07 | Long distance letters |
| 2002-05-15 | Long distance letters |
| 2002-04-27 | Verizon competitor |
| 2002-02-06 | Sprint rival |
| 2001-04-20 | Worldcom partner |
| 2001-02-23 | Sprint alternative |
| 2000-05-19 | Sprint rival |
| 2000-03-24 | AT&T competitor |
| 2000-03-08 | AT&T rival |
| 2000-02-10 | AT&T competitor |
| 1999-09-24 | WorldCom partner |
| 1999-09-13 | Long distance inits. |
| 1999-08-24 | AT&T rival |
| 1998-11-12 | Bell Atlantic competitor |
| 1998-05-25 | Sprint rival |
| 1998-04-12 | Big inits. in cellular technology |
| 1998-01-11 | Sprint competitor |
| 1997-12-01 | AT&T alternative |
| 1997-04-26 | Long-distance letters |
| 1997-04-23 | Sprint rival |
| 1996-10-13 | Sprint rival |
| 1994-08-03 | AT and T alternative |