Estonia Calling Codes
Country Code +372
| Effective 1 November 2003 Estonia transitioned to a system where all fixed line phone numbers consist of seven digits | Since 1 February 2004 the national dialing code of "0" is no longer be required. | |
| County | Old subscriber number before 1 November 2003 | New subscriber number from 1 November 2003 |
| Lääne-Virumaa | 99 123 | 32 9 9123 |
| Ida-Virumaa | 99 123 | 33 9 9123 |
| Järvamaa | 99 123 | 38 9 9123 |
| Viljandimaa | 99 123 | 43 9 9123 |
| Pärnumaa | 99 123 | 44 9 9123 |
| Saaremaa | 99 123 | 45 9 9123 |
| Hiiumaa | 99 123 | 46 9 9123 |
| Läänemaa | 99 123 | 47 9 9123 |
| Raplamaa | 99 123 | 48 7 9123 |
| Tartumaa | 399 123 | 7 39 9123 |
| Valgamaa | 99 123 | 76 9 9123 |
| Jogevamaa | 99 123 | 77 9 9123 |
| Vorumaa | 99 123 | 78 9 9123 |
| Polvamaa | 99 123 | 79 9 9123 |
| Under the new plan mobile numbers consist of either seven or eight digits | ||
| Eesti Mobiitelefon /Estonian Mobile Telephone | (NMT450/900 | GSM 900) | |
| Radiolinja Eesti/ Rediolinja Estonia | (GSM 900) | |
| Q GSM | Ritabell | Tele2.ee or Levicom Broadband | (GSM 900) |
