Area Code 631 is located in the state of New York.
The New York`s major city is Huntington
The state of New York is in Eastern timezone.
More important cities in New York:
Bay Shore, NY; Brentwood, NY; Centereach, NY; Central Islip, NY; Commack, NY; Copiague, NY; Coram, NY; Deer Park, NY; Dix Hills, NY; East Northport, NY; East Patchogue, NY; Hauppauge, NY; Holbrook, NY; Huntington Station, NY; Islip, NY; Lindenhurst, NY; Medford, NY; Ronkonkoma, NY; Selden, NY; Shirley, NY; Smithtown, NY; West Babylon, NY; West Islip, NY;
Prefixes within the 631 Area Code what we have in our database.
| Prefix | Primary City | County | Usage |
| (631) 788 | Montauk, NY | Suffolk | Landline |
| (631) 789 | Amityville, NY | Suffolk | Landline |
| (631) 790 | Patchogue, NY | Suffolk | Cell Number |
| (631) 791 | Port Jefferson, NY | Suffolk | Landline |
| (631) 792 | Huntington, NY | Suffolk | Landline |
| (631) 793 | Brentwood, NY | Suffolk | Cell Number |
| (631) 794 | Farmingdale, NY | Nassau | Landline |
| (631) 795 | Massapequa Park, NY | Nassau | Landline |
| (631) 796 | Brentwood, NY | Suffolk | Cell Number |
| (631) 797 | Massapequa Park, NY | Nassau | Landline |
| (631) 798 | Massapequa Park, NY | Nassau | Landline |
| (631) 799 | Massapequa Park, NY | Nassau | Landline |
| (631) 801 | Eastport, NY | Suffolk | Landline |
| (631) 802 | Port Jefferson, NY | Suffolk | Landline |
| (631) 803 | Bellport, NY | Suffolk | Landline |
| (631) 804 | Brentwood, NY | Suffolk | Cell Number |
| (631) 805 | Amityville, NY | Suffolk | Cell Number |
| (631) 806 | Brentwood, NY | Suffolk | Cell Number |
| (631) 807 | Amityville, NY | Suffolk | Cell Number |
| (631) 808 | Northport, NY | Suffolk | Landline |
| (631) 812 | Huntington, NY | Suffolk | Landline |
| (631) 813 | Brentwood, NY | Suffolk | Landline |
| (631) 815 | Farmingdale, NY | Nassau | Landline |
| (631) 816 | Yaphank, NY | Suffolk | Cell Number |
| (631) 817 | East Islip, NY | Suffolk | Landline |
| (631) 820 | Ronkonkoma, NY | Suffolk | Landline |
| (631) 821 | Shoreham, NY | Suffolk | Landline |
| (631) 822 | Central Islip, NY | Suffolk | Landline |
| (631) 823 | Bayport, NY | Suffolk | Landline |
| (631) 824 | Garden City, NY | Nassau | Landline |
| (631) 826 | Wantagh, NY | Nassau | Landline |
| (631) 827 | Huntington, NY | Suffolk | Cell Number |
| (631) 828 | Port Jefferson, NY | Suffolk | Landline |
| (631) 830 | Riverhead, NY | Suffolk | Landline |
| (631) 831 | Brentwood, NY | Suffolk | Cell Number |
| (631) 832 | Bayport, NY | Suffolk | Landline |
| (631) 833 | Riverhead, NY | Suffolk | Cell Number |
| (631) 834 | Brentwood, NY | Suffolk | Cell Number |
| (631) 835 | Brentwood, NY | Suffolk | Cell Number |
| (631) 836 | Brentwood, NY | Suffolk | Cell Number |
| (631) 837 | Northport, NY | Suffolk | Landline |
| (631) 838 | Brentwood, NY | Suffolk | Cell Number |
| (631) 839 | Brentwood, NY | Suffolk | Cell Number |
| (631) 840 | Islip, NY | Suffolk | Landline |
| (631) 841 | Amityville, NY | Suffolk | Landline |
| (631) 842 | Amityville, NY | Suffolk | Landline |
| (631) 843 | Farmingdale, NY | Nassau | Landline |
| (631) 844 | Farmingdale, NY | Nassau | Landline |
| (631) 845 | Farmingdale, NY | Nassau | Landline |
| (631) 846 | Selden, NY | Suffolk | Landline |
| (631) 847 | Farmingdale, NY | Nassau | Landline |
| (631) 848 | Brentwood, NY | Suffolk | Cell Number |
| (631) 849 | Shoreham, NY | Suffolk | Landline |
| (631) 850 | Commack, NY | Suffolk | Landline |
| (631) 851 | Central Islip, NY | Suffolk | Landline |
| (631) 852 | Riverhead, NY | Suffolk | Landline |
| (631) 853 | Central Islip, NY | Suffolk | Landline |
| (631) 854 | Brentwood, NY | Suffolk | Landline |
| (631) 855 | Deer Park, NY | Suffolk | Landline |
| (631) 856 | Hampton Bays, NY | Suffolk | Landline |
| (631) 857 | Cold Spring Harbor, NY | Suffolk | Landline |
| (631) 858 | Commack, NY | Suffolk | Landline |
| (631) 859 | Islip, NY | Suffolk | Landline |
| (631) 860 | Deer Park, NY | Suffolk | Landline |
| (631) 861 | Farmingdale, NY | Nassau | Landline |
| (631) 862 | St James, NY | Suffolk | Landline |
| (631) 863 | Smithtown, NY | Suffolk | Landline |
| (631) 864 | Commack, NY | Suffolk | Landline |
| (631) 865 | Deer Park, NY | Suffolk | Landline |
| (631) 866 | Bellport, NY | Suffolk | Landline |
| (631) 867 | Lindenhurst, NY | Suffolk | Landline |
| (631) 868 | Bayport, NY | Suffolk | Landline |
| (631) 869 | Bellport, NY | Suffolk | Landline |
| (631) 870 | Huntington, NY | Suffolk | Landline |
| (631) 871 | Riverhead, NY | Suffolk | Cell Number |
| (631) 872 | Brentwood, NY | Suffolk | Cell Number |
| (631) 873 | Brentwood, NY | Suffolk | Cell Number |
| (631) 874 | Mastic, NY | Suffolk | Landline |
| (631) 875 | Riverhead, NY | Suffolk | Cell Number |
| (631) 876 | Southold, NY | Suffolk | Landline |
| (631) 877 | Brentwood, NY | Suffolk | Cell Number |
| (631) 878 | Mastic, NY | Suffolk | Landline |
| (631) 879 | Patchogue, NY | Suffolk | Landline |
| (631) 880 | Selden, NY | Suffolk | Cell Number |
| (631) 881 | Central Islip, NY | Suffolk | Landline |
| (631) 882 | Central Islip, NY | Suffolk | Cell Number |
| (631) 883 | Bayport, NY | Suffolk | Landline |
| (631) 884 | Lindenhurst, NY | Suffolk | Landline |
| (631) 885 | Brentwood, NY | Suffolk | Cell Number |
| (631) 886 | Wading River, NY | Suffolk | Landline |
| (631) 887 | Hampton Bays, NY | Suffolk | Landline |
| (631) 888 | Lindenhurst, NY | Suffolk | Landline |
| (631) 889 | Deer Park, NY | Suffolk | Cell Number |
| (631) 890 | Patchogue, NY | Suffolk | Landline |
| (631) 891 | Patchogue, NY | Suffolk | Landline |
| (631) 892 | Bay Shore, NY | Suffolk | Landline |
| (631) 893 | Babylon, NY | Suffolk | Landline |
| (631) 894 | Huntington, NY | Suffolk | Landline |
| (631) 896 | Northport, NY | Suffolk | Cell Number |
| (631) 897 | Huntington, NY | Suffolk | Cell Number |
We have 673 Prefixes in our database.