Area Code +1-631-(5540000...5549999) located in Brentwood, New York (NY), more detail is as below. Place International Dialing Code : 1 International Prefix : 011 National Prefix : 1 National Destination Code : 631 Subscriber Number From : 5540000 Subscriber Number To : 5549999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : USA MOBILITY WRLS 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 : NY Region Name : New York City : Brentwood Timezone : America/New_York Coordinated Universal Time : -05:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 40.7800 Longitude : -73.2500 ‹ previous : +1-631-(5530000...5539999) next › : +1-631-(5560000...5569999) Dialling Instructions For trunk calls: 0 631 5540000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 011 1 631 5540000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5540000 ~ 5549999 (Count: 10,000) Example: +1-631-5540000 / 0111-631-5540000 (1631-5540000 / 1-631-5540000) +1-631-5540001 / 0111-631-5540001 (1631-5540001 / 1-631-5540001) +1-631-5540002 / 0111-631-5540002 (1631-5540002 / 1-631-5540002) +1-631-5540003 / 0111-631-5540003 (1631-5540003 / 1-631-5540003) +1-631-5540004 / 0111-631-5540004 (1631-5540004 / 1-631-5540004) ...+1-631-xxxxxxx / 0111-631-xxxxxxx (1631-xxxxxxx / 1-631-xxxxxxx) ...+1-631-5549995 / 0111-631-5549995 (1631-5549995 / 1-631-5549995) +1-631-5549996 / 0111-631-5549996 (1631-5549996 / 1-631-5549996) +1-631-5549997 / 0111-631-5549997 (1631-5549997 / 1-631-5549997) +1-631-5549998 / 0111-631-5549998 (1631-5549998 / 1-631-5549998) +1-631-5549999 / 0111-631-5549999 (1631-5549999 / 1-631-5549999)