Area Code +221-77-(4000000...4099999) located in GSM Mobile telephony, more detail is as below. Place International Dialing Code : 221 International Prefix : 00 National Destination Code : 77 Subscriber Number From : 4000000 Subscriber Number To : 4099999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : M (Mobile, Cellular) Carrier Name : Sonatel Mobiles (Orange) Click here to buy Senegal Area Code Database Other Information Language Code : fr (French) Country Number : 686 (Senegal) Country Code : SN (Senegal) City : GSM Mobile telephony Timezone : Africa/Dakar Coordinated Universal Time : +00:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 14.7500 Longitude : -17.3300 ‹ previous : +221-77-(3800000...3899999) next › : +221-77-(4100000...4199999) Dialling Instructions For trunk calls: - 77 4000000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 221 77 4000000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4000000 ~ 4099999 (Count: 100,000) Example: +221-77-4000000 / 00221-77-4000000 (77-4000000 / -77-4000000) +221-77-4000001 / 00221-77-4000001 (77-4000001 / -77-4000001) +221-77-4000002 / 00221-77-4000002 (77-4000002 / -77-4000002) +221-77-4000003 / 00221-77-4000003 (77-4000003 / -77-4000003) +221-77-4000004 / 00221-77-4000004 (77-4000004 / -77-4000004) ...+221-77-xxxxxxx / 00221-77-xxxxxxx (77-xxxxxxx / -77-xxxxxxx) ...+221-77-4099995 / 00221-77-4099995 (77-4099995 / -77-4099995) +221-77-4099996 / 00221-77-4099996 (77-4099996 / -77-4099996) +221-77-4099997 / 00221-77-4099997 (77-4099997 / -77-4099997) +221-77-4099998 / 00221-77-4099998 (77-4099998 / -77-4099998) +221-77-4099999 / 00221-77-4099999 (77-4099999 / -77-4099999)