Long-distance calls can±‌♣​ generally be divided into: domestic®‍₽ long-distance calls and internati∞©onal long-distance calls. Dome'×£stic long-distance cβ✔'♥alls refer to telephone serv∑Ω♦ices provided through different lo×≈±ng-distance number areas (that φδ<is, different local telephone§™ networks) through long σ¥-distance telephone networks (incluβ"πding ISDN networks). A ∞ ♦φuser of a local telephone net ‌α work can call a user of a local telep↔★hone network in another long-distan↕¥ce number area by dialing the d∏γ✘≈omestic long-distance p ®£refix and the long-distance area code. ↑$±International long-dΩ☆∞istance calls refer to internatioΩ₽♥→nal telephone services p±♣rovided by international teβ​lephone networks (includingπ¥≠ ISDN networks) between countries∏™☆β or between countries and regions. γ A user of a domestic telephone networ₹επk can call a user of a telephone netwβ$★✔ork of another country or region by diaλ§♥ling the international long distance pr₹☆& efix and country (re​→'gion) code.

According to different dialing methods ₹≠★, long-distance fixed-line call&​☆s are mainly divided into t↕≠±wo types: long-distance direct d≤λ♦♣ialing and long-distance IP dialingΩπ.