| 310 | Handan |
| 310 | Jinzhou |
| 310 | Zhaoxian (was 3219) |
| 310 | Wuan (was 3280) |
| 310 | Linzhang (was 3287) |
| 310 | Cixian (was 3288) |
| 310 | Shexian (was 3289) |
| 310 | Cheng'an (was 3290) |
| 310 | Yongnian (was 3291) |
| 310 | Jize (was 3292) |
| 310 | Quzhou (was 3293) |
| 310 | Qiuxian (was 3294) |
| 310 | Guantao (was 3295) |
| 310 | Daming (was 3296) |
| 310 | Weixian (postcode 056800) (was 3297) |
| 310 | Guangping (was 3298) |
| 310 | Feixiang (was 3299) |
| 311 | Shijiazhuang |
| 311 | Zhengding |
| 311 | Huolu |
| 311 | Jingxing (was 3224) |
| 311 | Luancheng |
| 311 | Xinji (was 3215) |
| 311 | Gaocheng |
| 311 | Yuanshi (was 3210) |
| 311 | Xinle (was 3212) |
| 311 | Wuji (was 3213) |
| 311 | Shenze (was 3214) |
| 311 | Zanhuang (was 3221) |
| 311 | Gaoyi (was 3222) |
| 311 | Pingshan (was 3225) |
| 311 | Lingshou (was 3226) |
| 311 | Xingtang (was 3227) |
| 312 | Baoding |
| 312 | Gaoyang (was 3230) |
| 312 | Rongcheng (was 3236) |
| 312 | Anxin (was 3238) |
| 312 | Dingzhou (was 3244) |
| 312 | Mancheng |
| 312 | Qingyuan |
| 312 | Shunping |
| 312 | Wangdu (was 3247) |
| 312 | Xushui (was 3232) |
| 312 | Zhuozhou (was 3234) |
| 312 | Laishui (was 3231) |
| 312 | Dingxing (was 3233) |
| 312 | Xincheng (was 3235) |
| 312 | Xiongxian (was 3237) |
| 312 | Yixian (was 3239) |
| 312 | Laiyuan (was 3240) |
| 312 | Lixian (was 3241) |
| 312 | Boye (was 3242) |
| 312 | Anguo (was 3243) |
| 312 | Quyang (was 3245) |
| 312 | Tangxian (was 3246) |
| 312 | Wanxian (was 3248) |
| 312 | Fuping (was 3249) |
| 313 | Zhangjiakou |
| 313 | Xuanhua |
| 313 | Xuanhua (was 3453) |
| 313 | Huaian (was 3440) |
| 313 | Wanquan (was 3441) |
| 313 | Zhangbei (was 3442) |
| 313 | Chongli (was 3443) |
| 313 | Guyuan (was 3444) |
| 313 | Chicheng (was 3445) |
| 313 | Huailai (was 3446) |
| 313 | Zhuolu (was 3447) |
| 313 | Weixian (postcode 075700) (was 3448) |
| 313 | Yangyuan (was 3449) |
| 313 | Shangyi (was 3451) |
| 313 | Kangbao (was 3452) |
| 314 | Chengde |
| 314 | Xinglong (was 3206) |
| 314 | Kuancheng |
| 314 | Longhua |
| 314 | Weichang (was 3202) |
| 314 | Pingquan (was 3203) |
| 314 | Fengning (was 3205) |
| 314 | Luanping (was 3207) |
| 315 | Tangshan |
| 315 | Zunhua (was 3411) |
| 315 | Luanxian (was 3412) |
| 315 | Yutian (was 3410) |
| 315 | Tanghai (was 3413) |
| 315 | Leting (was 3416) |
| 315 | Qianxi (was 3422) |
| 315 | Qian'an (was 3423) |
| 315 | Fengnan |
| 315 | Luannan |
| 315 | Xianghe (was 3256) |
| 315 | Sanhe (was 3258) |
| 315 | Fengrun (was 3419) |
| 316 | Langfang |
| 316 | Yongqing (was 3251) |
| 316 | Bazhou (was 3252) |
| 316 | Wen'an (was 3254) |
| 316 | Gu'an (was 3255) |
| 316 | Dachang (was 3257) |
| 316 | Dacheng |
| 316 | Sanhe (was 3258) |
| 316 | Xianghe (was 3256) |
| 317 | Cangzhou |
| 317 | Huanghua (was 3432) |
| 317 | Haixing (was 3433) |
| 317 | Yanshan (was 3434) |
| 317 | Mengcun (was 3435) |
| 317 | Nanpi (was 3436) |
| 317 | Dongguang (was 3437) |
| 317 | Wuqiao (was 3438) |
| 317 | Botou (was 3439) |
| 317 | Qingxian |
| 317 | Renqiu (was 3420) |
| 317 | Hejian (was 3424) |
| 317 | Suning (was 3425) |
| 317 | Xianxian (was 3430) |
| 318 | Jizhou |
| 318 | Hengshui |
| 318 | Raoyang (was 3260) |
| 318 | Wuqiang (was 3261) |
| 318 | Wuyi (was 3262) |
| 318 | Fucheng (was 3263) |
| 318 | Jingxian (was 3264) |
| 318 | Gucheng (was 3265) |
| 318 | Zaoqiang (was 3266) |
| 318 | Jixian (was 3267) |
| 318 | Shenxian (was 3268) |
| 318 | Anping (was 3269) |
| 319 | Xingtai |
| 319 | Nangong (was 3278) |
| 319 | Shahe (was 3286) |
| 319 | Linxi (was 3270) |
| 319 | Neiqiu (was 3271) |
| 319 | Lincheng (was 3272) |
| 319 | Baixiang (was 3273) |
| 319 | Ningjin (was 3274) |
| 319 | Longyao (was 3275) |
| 319 | Julu (was 3276) |
| 319 | Xinhe (was 3277) |
| 319 | Qinghe (was 3279) |
| 319 | Weixian (postcode 054700) (was 3281) |
| 319 | Guangzong (was 3282) |
| 319 | Pingxiang (was 3283) |
| 319 | Nanhe (was 3284) |
| 319 | Renxian (was 3285) |
| 335 | Qinhuangdao |
| 335 | Qinglong (was 3209) |
| 335 | Changli |
| 335 | Funing |
| 335 | Lulong |