mathematics

Telephone numbers in Yugoslavia

Telephone numbers in Yugoslavia is a mathematics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Telephone numbers in Yugoslavia rather than just read about it. In short: Telephone numbers in Yugoslavia consisted of a three-digit area code followed by six digits. In Serbia, they mainly began with 1, 2 or 3, in Croatia 4 or 5, in Slovenia 6, Bosnia and Herzegovina 7 (and 8), in Montenegro 8 and in North Macedonia 9.

Key takeaways

Telephone numbers in Yugoslavia belongs to mathematics; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Telephone numbers in Yugoslavia to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Telephone numbers in Yugoslavia from memory before moving on to harder problems.

Reference excerpt

Telephone numbers in Yugoslavia consisted of a three-digit area code followed by six digits. In Serbia, they mainly began with 1, 2 or 3, in Croatia 4 or 5, in Slovenia 6, Bosnia and Herzegovina 7 (and 8), in Montenegro 8 and in North Macedonia 9. Yugoslavia's telephone country code was 38. On 1 October 1993, the 38 code space was broken up and the first digit of each area code integrated into each country's new country code. For example, Slovenia's country code became 386. The internal numbers were also changed in some countries. For example, Skopje's call prefix 091 became 02, so (091) 12 3456 became (02) 12 3456, and later (02) 312 3456. Serbia and Montenegro, however, shared country code 381 until 2006, when Montenegro became independent and was assigned 382. Country code 388 was not used by Montenegro, but for the European Telephony Numbering Space. 380 was assigned to Ukraine. After negotiations, in 2015 the 383 was assigned to Kosovo, which until then had used Serbian, Monaco (377) and Slovenian telephone networks. Country code 384 remains unassigned. Exchange codes could not begin 0 or 9 due to the trunk prefix and emergency numbers, respectively. Since most of the new systems have changed their emergency number to the European standard of 112 and changed their international call prefix to 00, nowadays exchange codes cannot begin 0 or 1.

Area codes

SR Bosnia and Herzegovina

70 - Jajce 71 - Sarajevo 72 - Zenica 73 - Goražde 74 - Doboj 75 - Tuzla 76 - Brčko 77 - Bihać 78 - Banja Luka 79 - Prijedor 80 - Livno 88 - Mostar 89 - Trebinje

SR Croatia

40 - Čakovec 41 - Zagreb 42 - Varaždin 43 - Bjelovar 44 - Sisak 47 - Karlovac 48 - Koprivnica 49 - Krapina 50 - Dubrovnik 51 - Rijeka 52 - Pula 53 - Gospić 54 - Osijek 55 - Slavonski Brod 56 - Vinkovci 560 - Našice 57 - Zadar 58 - Split 59 - Šibenik

SR Macedonia

901 - Kumanovo, Kratovo, Kriva Palanka 902 - Probishtip, Shtip, Sveti Nikole, 903 - Kočani, Vinica, Delchevo, Berovo, Pehchevo 904 - Strumica, Radovish 91 - Skopje 92 - Gostivar 93 - Titov Veles, Kavadarci, Negotino, Demir Kapija, Valandovo, Gevgelija 94 - Tetovo 95 - Kičevo, Makedonski Brod 96 - Struga, Ohrid, Debar 97 - Demir Hisar, Bitola, Resen 98 - Prilep, Krushevo

SR Montenegro

81 - Titograd, Danilovgrad, Kolašin 82 - Kotor, Tivat 83 - Nikšić, Plužine, Šavnik 84 - Bijelo Polje, Mojkovac 85 - Bar, Ulcinj 86 - Budva, Cetinje 871 - Andrijevica, Ivangrad, Plav, Rožaje 872 - Pljevlja, Žabljak 88 - Herceg Novi

SR Serbia

10 - Pirot 11 - Belgrade 12 - Požarevac 14 - Valjevo 15 - Šabac 16 - Leskovac 17 - Vranje 18 - Niš 19 - Zaječar 20 - Novi Pazar 26 - Smederevo 27 - Prokuplje 30 - Bor 31 - Titovo Užice 32 - Čačak 33 - Prijepolje 34 - Kragujevac 35 - Jagodina 36 - Kraljevo 37 - Kruševac

SAP Vojvodina 13 - Vršac 21 - Novi Sad 22 - Sremska Mitrovica 23 - Zrenjanin 230 - Kikinda 24 - Subotica 25 - Sombor

SAP Kosovo

28 - Titova Mitrovica, Leposavić, Vučitrn, Srbica, Zvečan, Zubin Potok, North Mitrovica 280 - Gnjilane, Vitina, Kosovska Kamenica, Parteš, Ranilug, Klokot 29 - Prizren, Suva Reka, Dragaš, Mamuša, Mališevo 290 - Uroševac, Đeneral Janković, Kačanik, Štrpce, Štimlje 38 - Priština, Glogovac, Gračanica, Kosovo Polje, Lipljan, Novo Brdo, Obilić, Podujevo 39 - Peć, Istok, Klina 390 - Đakovica, Dečani, Junik, Orahovac

SR Slovenia

61 - Ljubljana 601 - Trbovlje 62 - Maribor 602 - Ravne na Koroškem 63 - Celje 64 - Gorenjska (Kranj) 65 - Nova Gorica 66 - Koper 67 - Postojna 68 - Novo Mesto 608 - Krško 69 - Prekmurje (Murska Sobota)

Emergency/other numbers 92 - police 93 - fire 94 - ambulance 95 - speaking clock 985 - civil protection 987 - AMSJ 988 - White pages (phone book) 99 - international call prefix

References

Illustrations

Worked examples

Example 1 — a first encounter with Telephone numbers in Yugoslavia

Start with the simplest possible case. Write down what Telephone numbers in Yugoslavia claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In mathematics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Telephone numbers in Yugoslavia before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Telephone numbers in Yugoslavia ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Telephone numbers in Yugoslavia

In research: Telephone numbers in Yugoslavia appears in mathematics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Telephone numbers in Yugoslavia in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Telephone numbers in Yugoslavia is common in secondary-school and first-year university syllabi. It links to neighbouring topics Communications in Yugoslavia, Telephone numbers by country, Yugoslavia-related lists, so understanding it makes those chapters shorter.
In everyday life: Look for Telephone numbers in Yugoslavia outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Telephone numbers in Yugoslavia in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Telephone numbers in Yugoslavia means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Telephone numbers in Yugoslavia out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Telephone numbers in Yugoslavia in simple terms?

Why does Telephone numbers in Yugoslavia matter?

Because it connects several mathematics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Telephone numbers in Yugoslavia?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Telephone numbers in Yugoslavia.