Ulju Ulsan Postal / ZIP Codes
Beomseo-eup 44917, 44918, 44919, 44920, 44921, 44922, 44923, 44924, 4...
Eonyang-eup 44913, 44919, 44935, 44936, 44937, 44938, 44939, 44940, 4...
Onsan-eup 44988, 44989, 44991, 44992, 44993, 44994, 44995, 44996, 4...
Onyang-eup 44969, 44970, 44971, 44972, 44973, 44974, 44975, 44976, 4...
Samnam-myeon 44947, 44948, 44949, 44950, 44951, 44953, 44954, 44955
Sangbuk-myeon 44900, 44901, 44902, 44903, 44904, 44905, 44906, 44907, 4...