Area Code +81-503-(3120000...3129999) located in VoIP, more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 503 Subscriber Number From : 3120000 Subscriber Number To : 3129999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : V (VoIP, Location Independent fixed land line) Carrier Name : NTT Communications Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) City : VoIP Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : None Longitude : None ‹ previous : +81-503-(3110000...3119999) next › : +81-503-(3130000...3139999) Dialling Instructions For trunk calls: 0 503 3120000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 503 3120000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3120000 ~ 3129999 (Count: 10,000) Example: +81-503-3120000 / 01081-503-3120000 (0503-3120000 / 0-503-3120000) +81-503-3120001 / 01081-503-3120001 (0503-3120001 / 0-503-3120001) +81-503-3120002 / 01081-503-3120002 (0503-3120002 / 0-503-3120002) +81-503-3120003 / 01081-503-3120003 (0503-3120003 / 0-503-3120003) +81-503-3120004 / 01081-503-3120004 (0503-3120004 / 0-503-3120004) ...+81-503-xxxxxxx / 01081-503-xxxxxxx (0503-xxxxxxx / 0-503-xxxxxxx) ...+81-503-3129995 / 01081-503-3129995 (0503-3129995 / 0-503-3129995) +81-503-3129996 / 01081-503-3129996 (0503-3129996 / 0-503-3129996) +81-503-3129997 / 01081-503-3129997 (0503-3129997 / 0-503-3129997) +81-503-3129998 / 01081-503-3129998 (0503-3129998 / 0-503-3129998) +81-503-3129999 / 01081-503-3129999 (0503-3129999 / 0-503-3129999)
