| City/County | Telephone Area Coce | Postcode |
| Shijiazhuang | 0311 | 050000 | Handan | 0310 | 056000 | Baoding | 0312 | 071000 |
| Zhangjiakou | 0313 | 075000 |
| Chengde | 0314 | 067000 |
| Tangshan | 0315 | 063000 |
| Langfang | 0316 | 102800 |
| Cangzhou | 0317 | 061000 |
| Hengshui | 0318 | 053000 |
| Xingtai | 0319 | 054000 |
| Qinhuangdao | 0335 | 066000 |
| Xinji | 03215 | 052300 |
| Jingxing | 03224 | 050100 |
| Zunhua | 03411 | 064200 |
| Luanxian | 03412 | 063700 |
| Fengrun | 03419 | 064000 |
| Yutian | 03410 | 064100 |
| Qianxi | 03422 | 064300 |
| Qianan | 03423 | 064400 |