Area Code +1-209-(5170000...5179999) located in Tracy, California (CA), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 209 Subscriber Number From : 5170000 Subscriber Number To : 5179999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : AMERICAN MESSAGING 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 : CA Region Name : California City : Tracy Timezone : America/Los_Angeles Coordinated Universal Time : -08:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 37.7400 Longitude : -121.4200 ‹ previous : +1-209-(5160000...5169999) next › : +1-209-(5180000...5189999) Dialling Instructions For trunk calls: 0 209 5170000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 209 5170000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5170000 ~ 5179999 (Count: 10,000) Example: +1-209-5170000 / 0111-209-5170000 (1209-5170000 / 1-209-5170000) +1-209-5170001 / 0111-209-5170001 (1209-5170001 / 1-209-5170001) +1-209-5170002 / 0111-209-5170002 (1209-5170002 / 1-209-5170002) +1-209-5170003 / 0111-209-5170003 (1209-5170003 / 1-209-5170003) +1-209-5170004 / 0111-209-5170004 (1209-5170004 / 1-209-5170004) ...+1-209-xxxxxxx / 0111-209-xxxxxxx (1209-xxxxxxx / 1-209-xxxxxxx) ...+1-209-5179995 / 0111-209-5179995 (1209-5179995 / 1-209-5179995) +1-209-5179996 / 0111-209-5179996 (1209-5179996 / 1-209-5179996) +1-209-5179997 / 0111-209-5179997 (1209-5179997 / 1-209-5179997) +1-209-5179998 / 0111-209-5179998 (1209-5179998 / 1-209-5179998) +1-209-5179999 / 0111-209-5179999 (1209-5179999 / 1-209-5179999)