Area Code +86-977-(0000000...9999999) located in Delingha, Qinghai (63), more detail is as below. Place International Dialing Code : 86 International Prefix : 00 National Prefix : 0 National Destination Code : 977 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 : 63 Region Name : Qinghai City : Delingha Timezone : Asia/Urumqi Coordinated Universal Time : +08:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 37.3700 Longitude : 97.3600 ‹ previous : +86-976-(0000000...9999999) next › : +86-979-(0000000...9999999) Dialling Instructions For trunk calls: 0 977 0000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 86 977 0000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0000000 ~ 9999999 (Count: 10,000,000) Example: +86-977-0000000 / 0086-977-0000000 (0977-0000000 / 0-977-0000000) +86-977-0000001 / 0086-977-0000001 (0977-0000001 / 0-977-0000001) +86-977-0000002 / 0086-977-0000002 (0977-0000002 / 0-977-0000002) +86-977-0000003 / 0086-977-0000003 (0977-0000003 / 0-977-0000003) +86-977-0000004 / 0086-977-0000004 (0977-0000004 / 0-977-0000004) ...+86-977-xxxxxxx / 0086-977-xxxxxxx (0977-xxxxxxx / 0-977-xxxxxxx) ...+86-977-9999995 / 0086-977-9999995 (0977-9999995 / 0-977-9999995) +86-977-9999996 / 0086-977-9999996 (0977-9999996 / 0-977-9999996) +86-977-9999997 / 0086-977-9999997 (0977-9999997 / 0-977-9999997) +86-977-9999998 / 0086-977-9999998 (0977-9999998 / 0-977-9999998) +86-977-9999999 / 0086-977-9999999 (0977-9999999 / 0-977-9999999)