雒(luo)城(cheng)(cheng)始建于東漢,據《華陽國(guo)志·蜀志》載(zai):“初平中(zhong)(公(gong)(gong)(gong)(gong)元(yuan)190年(nian)(nian)至193年(nian)(nian)間),益州牧劉焉自綿(mian)竹移雒(luo)城(cheng)(cheng)縣城(cheng)(cheng),筑闕門。”《三(san)國(guo)志·龐統(tong)傳》記載(zai)“進圍雒(luo)縣,統(tong)率眾攻戰(zhan),為(wei)流矢所中(zhong)”。南宋端平二年(nian)(nian)(公(gong)(gong)(gong)(gong)元(yuan)1235年(nian)(nian))至淳祐(you)元(yuan)年(nian)(nian)(公(gong)(gong)(gong)(gong)元(yuan)1241年(nian)(nian)),蒙(meng)古軍入(ru)蜀,戰(zhan)亂(luan)中(zhong)城(cheng)(cheng)垣遭受嚴(yan)重破(po)壞。明(ming)洪武(wu)五年(nian)(nian)(公(gong)(gong)(gong)(gong)元(yuan)1372年(nian)(nian)),在原(yuan)州城(cheng)(cheng)基址(zhi)上建城(cheng)(cheng)垣。明(ming)末城(cheng)(cheng)池又毀(hui)。清乾隆三(san)十六年(nian)(nian)(公(gong)(gong)(gong)(gong)元(yuan)1771年(nian)(nian))再次(ci)修筑,咸(xian)豐九年(nian)(nian)(公(gong)(gong)(gong)(gong)元(yuan)1859年(nian)(nian))增(zeng)修炮臺。
自(zi)1982年以來(lai),省市文(wen)物(wu)部門配合基(ji)本建(jian)設先后進行過(guo)選點發(fa)掘,出土(tu)了一大批“雒(luo)城(cheng)”和“雒(luo)官城(cheng)墼”的(de)漢代篆(zhuan)書體銘文(wen)磚、城(cheng)墻(qiang)磚,這(zhe)一發(fa)現對研究古(gu)雒(luo)城(cheng)的(de)歷史沿革和城(cheng)垣建(jian)設都具有(you)重要的(de)考古(gu)都具有(you)重要的(de)考古(gu)研究價值。
文化層厚1米左右,發(fa)現有(you)繩紋筒瓦(wa)、云(yun)紋瓦(wa)當、花(hua)邊(bian)磚、陶(tao)罐、五(wu)銖(zhu)錢等(deng)器物。己發(fa)掘城(cheng)(cheng)墻兩段,共長70米,寬2.5~8.9米,高0.3~1.4米。城(cheng)(cheng)墻用夯土(tu)筑成,內(nei)側(ce)、外側(ce)均包砌城(cheng)(cheng)磚。此(ci)處應(ying)是漢(han)代廣漢(han)郡(jun)治“雒城(cheng)(cheng)”所在地。在雒城(cheng)(cheng)鎮東(dong)(dong)南角城(cheng)(cheng)墻廢墟上(shang)發(fa)現有(you)篆隸(li)“雒城(cheng)(cheng)”、“雒官城(cheng)(cheng)墼”銘(ming)文磚砌筑的墻基(ji)。此(ci)后又(you)多次發(fa)現城(cheng)(cheng)墻墻基(ji)、銘(ming)文磚,以及大量的繩紋筒瓦(wa)、云(yun)紋瓦(wa)當、陶(tao)豆及東(dong)(dong)漢(han)五(wu)銖(zhu)錢等(deng)。遺址范圍東(dong)(dong)至外東(dong)(dong)順城(cheng)(cheng)路(今蘇州(zhou)路、杭州(zhou)路),南至房(fang)湖(hu)公(gong)園(yuan)南邊(bian)城(cheng)(cheng)墻(今九江(jiang)路),西(xi)抵濱西(xi)路北鄰(lin)鴨子河南岸。總(zong)面積(ji)為1.7平方公(gong)里。
1991年4月,古雒城遺址被四(si)川省人民政府核(he)定公布為省級文物保護(hu)單位(wei)。(參見《中國考古學會第(di)五(wu)次年會論文集》文物出版社,1986年)
2013年(nian)被列入(ru)第(di)七批(pi)全國重點文物保護單位。