Cities for SMS Check-in

Domestic (including Hong Kong, Macau and Taiwan)
ABCD
An Qing(AQG) \ An Shun(AVA) \ An Shan(AOG) \ Bao Tou(BAV) \ Bao Shan(BSD) \ Bei Hai(BHY) \ Bei Jing(PEK) \ Bi Jie(BFJ) \ Chang De(CGD) \ Chang Zhou(CZX) \ Chang Bai Shan(NBS) \ Chang Chun(CGQ) \ Chang Sha(CSX) \ Chang Zhi(CIH) \ Cheng Du(CTU) \ Chong Qing(CKG) \ Chi Zhou(JUH) \ Da Li(DLU) \ Da Lian(DLC) \ Da Qing(DQA) \ Da Tong(DAT) \ Dan Dong(DDG) \ Di Qing(DIG)
EFGH
En Shi(ENH) \ Fu Zhou(FOC) \ Fu Yuan(FYJ) \ Fu Yang(FUG) \ Gan Zhou(KOW) \ Gong Ga(LXA) \ Guang Yuan(GYS) \ Guang Zhou(CAN) \ Gui Yang(KWE) \ Gui Lin(KWL) \ Haerbin(HRB) \ Hai Kou(HAK) \ Hailaer(HLD) \ Han Dan(HDG) \ Han Zhong(HZG) \ Hang Zhou(HGH) \ He Fei(HFE) \ Hei He(HEK) \ Hu He Hao Te(HET) \ Huai Hua(HJJ) \ Huang Shan(TXN)
IJKL
Ji Xi(JXA) \ Ji Nan(TNA) \ Ji Ning(JNG) \ Jia Mu Si(JMU)J \ Jie Yang Chao Shan(SWA) \ Jing Gang Shan(JGS) \ Jiu Jiang(JIU) \ Jiu Zhai Huang Long(JZH) \ Kun Ming(KMG) \ Lan Zhou Zhong Chuan(LHW) \ Li Ping(HZH) \ Li Jiang(LJG) \ Li Bo(LLB) \ Lian Yun Gang(LYG) \ Ling Ling(LLF) \ Liu Zhou(LZH) \ Lu Zhou(LZO) \ Luo Yang(LYA)
MNOP
Mang Shi(LUM) \ Mei Xian(MXZ) \ Mian Yang(MIG) \ Mo He(OHE) \ Mu Dan Jiang(MDG) \ Nan Chang(KHN) \ Nan Chong(NAO) \ Nan Jing(NKG) \ Nan Ning(NNG) \ Nan Tong(NTG) \ Nan Yang(NNY) \ Ning Bo(NGB) \ Ordos(DSN)
QRST
Qi Qihaer(NDG) \ Qing Dao(TAO) \ Quan Zhou(JJN) \ San Ya(SYX) \ Shang Hai Hong Qiao(SHA) \ Shang Hai Pu Dong(PVG) \ Shen Zhen(SZX) \ Shen Yang(SHE) \ Shi Jia Zhuang(SJW) \ Tai Yuan(TYN) \ Teng Chong(TCZ) \ Tian Jin(TSN) \ Tong Liao(TGO) \ Tong Ren(TEN)
UVWX
Urumqi(URC) \ Wei Hai(WEH) \ Wen Zhou(WNZ) \ Wu Lan Hao Te(HLH) \ Wu Xi(WUX) \ Wu Han(WUH) \ Wu Yi Shan(WUS) \ Xia Men(XMN) \ Xi An(XIY) \ Xi Ning(XNN) \ Xi Shuang Ban Na(JHG) \ Xiang Fan(XFN) \ Xing Yi(ACX) \ Xu Zhou(XUZ)
YZ
Yan Tai(YNT) \ Yan Ji(YNJ) \ Yan Cheng(YNZ) \ Yang Zhou(YTY) \ Yi Chun(LDS) \ Yi Ning(YIN) \ Yi Chang San Xia(YIH) \ Yi Ww(YIW) \ Ying Chuan He Dong(INC) \ Yu Lin(UYN) \ Yun Cheng(YCU) \ Zhan Jiang(ZHA) \ Zhang Jia Jie(DYG) \ Zheng Zhou(CGO) \ Zhou Bai(JIQ) \ Zhou Shan(HSN) \ Zhu Hai(ZUH) \ Zun Yi(ZYI)