# Tabella dei prefissi radioamatoriali S - U

| Allocazione I.T.U. | COUNTRY / suddivisioni | Prefissi | Continente | Zona CQ | Zona I.T.U. |
| SAA-SMZ | Svezia (contee) | SM | EU | 14 | 18 |
| | Stoccolma | SMØ | | | |
| | Gotland | SM1 | | | |
| | Norrbotten, Västerbotten | SM2 | | | |
| | Jämtland, Västernorrland, Gävleborg | SM3 | | | |
| | Dalarna, Värmland, Örebro | SM4 | | | |
| | Uppsala, Västmanland, Södermanland, Östergötland | SM5 | | | |
| | Västra Götaland, Halland | SM6 | | | |
| | Jönköping, Kalmar, Kronoberg, Blekinge, Skåne | SM7 | | | |
| | Clubstations | SK | | | |
| | Clubstations militari | SL | | | |
| SNA-SRZ | Polonia (voivodati) | SP, SQ, 3Z | EU | 15 | 28 |
| | Zachodniopomorskie | SP1, SP3 | | | |
| | Pomorskie | SP1, SP2 | | | |
| | Warmińsko-Mazurskie | SP2, SP4, SP5 | | | |
| | Podlaskie | SP4 | | | |
| | Lubelskie | SP5, SP7, SP8 | | | |
| | Lubuskie | SP3 | | | |
| | Wielkopolskie | SP3 | | | |
| | Kujawsko-Pomorskie | SP2 | | | |
| | Mazowieckie | SP5, SP7, SP8 | | | |
| | Łódzkie | SP3, SP5, SP7, SP9 | | | |
| | Dolnośląskie | SP3, SP6 | | | |
| | Opolskie | SP6, SP9 | | | |
| | Śląskie | SP9 | | | |
| | Świętokrzyskie | SP7 | | | |
| | Małopolskie | SP7, SP9 | | | |
| | Podkarpackie | SP7, SP8, SP9 | | | |
| | Operatori stranieri | SO1-9 | | | |
| | Contest e Special Event Stations | SN1-9, SPØ | | | |
| SSA-SSM | Egitto (vedi SUA-SUZ) | - | - | - | - |
| SSN-STZ | Sudan (regioni) | ST | AF | 34 | 47, 48 |
| | Regione di Khartoum | ST2 | | | |
| | Regione centrale (Wad Madani) | ST3 | | | |
| | Regione di Kurdufan | ST4 | | | |
| | Regione orientale (Kassala) | ST5 | | | |
| | Regione nordorientale (Port Sudan) | ST6 | | | |
| | Regione nordoccidentale (Ad Damir) | ST7 | | | |
| | Regione del Darfour | ST8 | | | |
| | Regione centromeridionale (Malakal, Wau, Bahr-al-Ghazal) | ST9 | | | |
| | Regione meridionale (Juba) | STØ | | | |
| SUA-SUZ | Egitto | SU | AF | 34 | 38 |
| SVA-SZZ | Grecia | SV | EU | 20 | 28 |
| | Grecia centrale ed Eubea | SV1 | | | |
| | Macedonia | SV2 | | | |
| | Peloponneso | SV3 | | | |
| | Tessaglia | SV4 | | | |
| | Dodecaneso | SV5 | EU | 20 | 28 |
| | Epiro | SV6 | | | |
| | Tracia | SV7 | | | |
| | Isole Ioniche ed Egee | SV8 | | | |
| | Isola di Creta | SV9 | | | |
| | Operatori stranieri | SVØ | | | |
| | Monte Athos | SY2, SV2/A | EU | 20 | 28 |
| | Contest e Special Event Stations | J4, SY | | | |
| S2A-S3Z | Bangladesh | S2 | AS | 22 | 41 |
| S5A-S5Z | Slovenia | S5 | EU | 15 | 28 |
| S6A-S6Z | Singapore (vedi 9VA-9VZ) | - | - | - | - |
| S7A-S7Z | Seychelles | S7 | AF | 39 | 53 |
| S8A-S8Z | Repubblica Sudafricana (vedi ZRA-ZUZ) | - | - | - | - |
| S9A-S9Z | SÃO TOMÉ E PRINCIPE | S9 | AF | 36 | 47 |
| SØA-SØZ | Sahara occidentale | SØ | AF | 33 | 37 |
| TCA-TCZ | Turchia (regioni geografiche) | TA | EU/AS | 20 | 39 |
| | Tracia (Turchia europea) | TA1 | EU | | |
| | Anatolia nordoccidentale | TA2 | AS | | |
| | Anatolia occidentale | TA3 | AS | | |
| | Anatolia sudoccidentale | TA4 | AS | | |
| | Anatolia centromeridionale | TA5 | AS | | |
| | Anatolia centrosettentrionale | TA6 | AS | | |
| | Anatolia nordorientale | TA7 | AS | | |
| | Anatolia sudorientale | TA8 | AS | | |
| | Anatolia orientale | TA9 | AS | | |
| | Isole e Clubstations | TAØ | | | |
| TDA-TDZ | Guatemala (vedi TGA-TGZ) | - | - | - | - |
| TEA-TEZ | Costa Rica (vedi TIA-TIZ) | - | - | - | - |
| TFA-TFZ | Islanda (regioni) | TF | EU | 40 | 17 |
| | Suðurland | TF1 | | | |
| | Vesturland | TF2 | | | |
| | Höfuðborgarsvæðið | TF3 | | | |
| | Vestfirðir | TF4 | | | |
| | Norðurland eystra | TF5 | | | |
| | Austurland | TF6 | | | |
| | Isole Vestmannaeyjar, Heimaey, Surtsey | TF7 | | | |
| | Suðurnes | TF8 | | | |
| | Norðurland vestra | TF9 | | | |
| | Parte centrale disabitata | TFØ | | | |
| TGA-TGZ | Guatemala (dipartimenti) | TG | NA | 7 | 11 |
| | Chimaltenango, Escuintla, Santa Rosa, Sololá, Suchitepéquez | TG4 | | | |
| | Huehuetenango, Quiche, Totonicapán | TG5 | | | |
| | Chiquimula, Jutiapa, Zacapa | TG6 | | | |
| | Alta Verapaz, Izabal, Petén | TG7 | | | |
| | Quetzaltenango, Retalhuleu, San Marcos | TG8 | | | |
| | Baja Verapaz, Guatemala City,Jalapa, El Progreso, Sacatepéquez | TG9 | | | |
| | Special Event Stations | TGØ | | | |
| THA-THZ | Francia (vedi FAA-FZZ) | - | - | - | - |
| TIA-TIZ | Costa Rica (province) | TI | NA | 7 | 11 |
| | Special Event Stations | TI1 | | | |
| | San José | TI2 | | | |
| | Cartago | TI3 | | | |
| | Heredia | TI4 | | | |
| | Alajuela | TI5 | | | |
| | Limón | TI6 | | | |
| | Guanacaste | TI7 | | | |
| | Puntarenas | TI8 | | | |
| | ISOLE COCOS | TI9 | NA | 7 | 11 |
| | Clubstations e Special Event Stations | TIØ | | | |
| TJA-TJZ | Camerun | TJ | AF | 36 | 47 |
| TKA-TKZ | Corsica | TK | EU | 15 | 28 |
| TLA-TLZ | Repubblica Centrafricana | TL8 | AF | 36 | 47 |
| | Operatori stranieri | TLØ | | | |
| TMA-TMZ | Francia (vedi FAA-FZZ) | - | - | - | - |
| TNA-TNZ | Repubblica del Congo | TN8 | AF | 36 | 52 |
| TOA-TQZ | Francia (vedi FAA-FZZ) | - | - | - | - |
| TRA-TRZ | Gabon | TR8 | AF | 36 | 52 |
| TSA-TSZ | Tunisia (vedi 3VA-3VZ) | - | - | - | - |
| TTA-TTZ | Ciad | TT8 | AF | 36 | 47 |
| TUA-TUZ | Costa d'Avorio | TU1, TU2 | AF | 35 |
| | Operatori stranieri | TU4, TU5 | |
| TVA-TXZ | Francia (vedi FAA-FZZ) | - | - | - | - |
| | Isola Chesterfield | TXØ | OC | 30 | 56 |
| TYA-TYZ | Benin | TY | AF | 35 | 46 |
| TZA-TZZ | Mali | TZ | AF | 35 | 46 |
| T2A-T2Z | Tuvalu | T2 | OC | 31 | 65 |
| T3A-T3Z | Kiribati | | | | |
| | KIRIBATI OCCIDENTALE | T3Ø | OC | 31 | 65 |
| | KIRIBATI CENTRALE | T31 | OC | 31 | 62 |
| | KIRIBATI ORIENTALE | T32 | OC | 31 | 61-63 |
| | BANABA o ISOLA OCEAN | T33 | OC | 31 | 63 |
| T4A-T4Z | Cuba (vedi COA-COZ) | - | - | - | - |
| T5A-T5Z | Somalia | T5 | AF | 37 | 48 |
| T6A-T6Z | Afghanistan (vedi YAA-YAZ) | - | - | - | - |
| T7A-T7Z | San Marino | T7 | EU | 15 | 28 |
| | Special Event Stations e Clubstations | T7Ø | | | |
| T8A-T8Z | PALAU | T8 | OC | 27 | 64 |
| UAA-UIZ | Federazione Russa (vedi RAA-RZZ) | - | - | - | - |
| UJA-UMZ | Uzbekistan (province) | UK7, 8, 9 | AS | 17 | 30 |
| | Taškent città | UK#A | | | |
| | Taškent provincia | UK#B | | | |
| | Kaškadarja | UK#C | | | |
| | Syrdarja | UK#D | | | |
| | Andižan | UK#F | | | |
| | Farghona | UK#G | | | |
| | Samarkand | UK#I | | | |
| | Bukhoro | UK#L | | | |
| | Namangan | UK#O | | | |
| | Navoij | UK#Q | | | |
| | Surkhandarja | UK#T | | | |
| | Khorezm | UK#U | | | |
| | Džizak | UK#V | | | |
| | Repubblica di Karakalpak | UK#Z | | | |
| | Clubstations | UK#W | | | |
| UNA-UQZ | Kazakistan (oblystar) | UN | AS | 17 | 30 |
| | Mangghystaū | UN#A | | | |
| | Aqmola, Astana città | UN#B | | | |
| | Soltüstik Qazaqstan (Kaz. settentrionale) | UN#C, UN#E | | | |
| | Šyghys Qazaqstan (Kaz. orientale) | UN#D, UN#J | | | |
| | Pavlodar | UN#F | | | |
| | Almaty città | UN#G | | | |
| | Almaty regione | UN#Q, UN#V | | | |
| | Aqtöbe | UN#I | | | |
| | Qostanaj | UN#L, UN#Y | | | |
| | Qzylorda | UN#K | | | |
| | Batys Qazaqstan (Kaz. occidentale) | UN#M | | | |
| | Ongtüstik Qazaqstan (Kaz. meridionale) | UN#N | | | |
| | Atyrau | UN#O | | | |
| | Qaraghandy | UN#P, UN#R | | | |
| | Baykonur città | UN#S | | | |
| | Žambyl | UN#T | | | |
| URA-UZZ | Ucraina (oblasti) | UR-UZ | EU | 16 | 29 |
| | Sumy | UR#A | | | |
| | Ternopil | UR#B | | | |
| | Čerkassi | UR#C | | | |
| | Zakarpatsya | UR#D | | | |
| | Dnipropetrovsk | UR#E | | | |
| | Odessa | UR#F | | | |
| | Kherson | UR#G | | | |
| | Poltava | UR#H | | | |
| | Donetsk | UR#I | | | |
| | Repubblica autonoma di Crimea | UU1-8J, UUØJ | | | |
| | Sevastopol città | UU9J | | | |
| | Rivni | UR#K | | | |
| | Kharkiv | UR#L | | | |
| | Lukhansk | UR#M | | | |
| | Vinnitsya | UR#N | | | |
| | Volinia | UR#P | | | |
| | Zaporižja | UR#Q | | | |
| | Černikhiv | UR#R | | | |
| | Ivano-Frankivsk | UR#S | | | |
| | Khmelnitsky | UR#T | | | |
| | Kiev | UR#U | | | |
| | Kirovokhrad | UR#V | | | |
| | L'viv | UR#W | | | |
| | Žytomyr | UR#X | | | |
| | Černivtsy | UR#Y | | | |
| | Mykolajv | UR#Z | | | |
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