Area Code +1-918-(9510000...9519999) located in Tulsa, Oklahoma (OK), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 918 Subscriber Number From : 9510000 Subscriber Number To : 9519999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : NEW CINGULAR WRLS IL Click here to buy United States Area Code Database Other Information Language Code : en (English) Country Number : 840 (United States) Country Code : US (United States) Region Code : OK Region Name : Oklahoma City : Tulsa Timezone : America/Chicago Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 36.1500 Longitude : -95.9900 ‹ previous : +1-918-(9499000...9499999) next › : +1-918-(9530000...9530999) Dialling Instructions For trunk calls: 0 918 9510000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 918 9510000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 9510000 ~ 9519999 (Count: 10,000) Example: +1-918-9510000 / 0111-918-9510000 (1918-9510000 / 1-918-9510000) +1-918-9510001 / 0111-918-9510001 (1918-9510001 / 1-918-9510001) +1-918-9510002 / 0111-918-9510002 (1918-9510002 / 1-918-9510002) +1-918-9510003 / 0111-918-9510003 (1918-9510003 / 1-918-9510003) +1-918-9510004 / 0111-918-9510004 (1918-9510004 / 1-918-9510004) ...+1-918-xxxxxxx / 0111-918-xxxxxxx (1918-xxxxxxx / 1-918-xxxxxxx) ...+1-918-9519995 / 0111-918-9519995 (1918-9519995 / 1-918-9519995) +1-918-9519996 / 0111-918-9519996 (1918-9519996 / 1-918-9519996) +1-918-9519997 / 0111-918-9519997 (1918-9519997 / 1-918-9519997) +1-918-9519998 / 0111-918-9519998 (1918-9519998 / 1-918-9519998) +1-918-9519999 / 0111-918-9519999 (1918-9519999 / 1-918-9519999)