Area Code +1-343-(4390000...4399999) located in Lancaster, Ontario (ON), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 343 Subscriber Number From : 4390000 Subscriber Number To : 4399999 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 : INNSYSVOICE CORP-ON Click here to buy Canada Area Code Database Other Information Language Code : en (English) Country Number : 124 (Canada) Country Code : CA (Canada) Region Code : ON Region Name : Ontario City : Lancaster Timezone : America/Toronto Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 45.1400 Longitude : -74.5000 ‹ previous : +1-343-(4380000...4389999) next › : +1-343-(4400000...4409999) Dialling Instructions For trunk calls: 1 343 4390000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 343 4390000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4390000 ~ 4399999 (Count: 10,000) Example: +1-343-4390000 / 0111-343-4390000 (1343-4390000 / 1-343-4390000) +1-343-4390001 / 0111-343-4390001 (1343-4390001 / 1-343-4390001) +1-343-4390002 / 0111-343-4390002 (1343-4390002 / 1-343-4390002) +1-343-4390003 / 0111-343-4390003 (1343-4390003 / 1-343-4390003) +1-343-4390004 / 0111-343-4390004 (1343-4390004 / 1-343-4390004) ...+1-343-xxxxxxx / 0111-343-xxxxxxx (1343-xxxxxxx / 1-343-xxxxxxx) ...+1-343-4399995 / 0111-343-4399995 (1343-4399995 / 1-343-4399995) +1-343-4399996 / 0111-343-4399996 (1343-4399996 / 1-343-4399996) +1-343-4399997 / 0111-343-4399997 (1343-4399997 / 1-343-4399997) +1-343-4399998 / 0111-343-4399998 (1343-4399998 / 1-343-4399998) +1-343-4399999 / 0111-343-4399999 (1343-4399999 / 1-343-4399999)