Area Code +86-312-(0000000...9999999) located in Baoding, Hebei (13), more detail is as below. Place International Dialing Code : 86 International Prefix : 00 National Prefix : 0 National Destination Code : 312 Subscriber Number From : 0000000 Subscriber Number To : 9999999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : China Telecom Click here to buy China Area Code DatabaseClick here to buy China Mobile Numbers Other Information Language Code : zh (Chinese) Country Number : 156 (China) Country Code : CN (China) Region Code : 13 Region Name : Hebei City : Baoding Timezone : Asia/Shanghai Coordinated Universal Time : +08:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 38.8700 Longitude : 115.4600 ‹ previous : +86-311-(00000000...99999999) next › : +86-313-(0000000...9999999) Dialling Instructions For trunk calls: 0 312 0000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 86 312 0000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0000000 ~ 9999999 (Count: 10,000,000) Example: +86-312-0000000 / 0086-312-0000000 (0312-0000000 / 0-312-0000000) +86-312-0000001 / 0086-312-0000001 (0312-0000001 / 0-312-0000001) +86-312-0000002 / 0086-312-0000002 (0312-0000002 / 0-312-0000002) +86-312-0000003 / 0086-312-0000003 (0312-0000003 / 0-312-0000003) +86-312-0000004 / 0086-312-0000004 (0312-0000004 / 0-312-0000004) ...+86-312-xxxxxxx / 0086-312-xxxxxxx (0312-xxxxxxx / 0-312-xxxxxxx) ...+86-312-9999995 / 0086-312-9999995 (0312-9999995 / 0-312-9999995) +86-312-9999996 / 0086-312-9999996 (0312-9999996 / 0-312-9999996) +86-312-9999997 / 0086-312-9999997 (0312-9999997 / 0-312-9999997) +86-312-9999998 / 0086-312-9999998 (0312-9999998 / 0-312-9999998) +86-312-9999999 / 0086-312-9999999 (0312-9999999 / 0-312-9999999)