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631 area code

Area code 631 is in New York (NY), USA and some of the main locations covered are Brentwood, West Babylon, Coram, .. (jump to city list below).

Area code 631 has been in service since 01 November 1999 and is the older Numbering Plan Area in overlay complex 631/934 (overlaying area codes cover the same geographic area).

08:47:45 AM is the current time in area code 631 (Eastern Time).

Reverse phone lookup

Map of area code 631

More New York area codes

List of 631-NXX prefixes and corresponding locations

NPANXX¹	Area served²	Date³

631-200	Bayport	12/8/2003
631-201	Amityville	2/8/2016
631-202	Ronkonkoma	2/9/2016
631-203	Central Islip
631-204	Southampton
631-205	Yaphank
631-206	Bay Shore
631-207	Patchogue
631-208	Riverhead
631-209	Shoreham
631-210	Islip
631-212	Commack	2/15/2016
631-213	Midland
631-214	Deer Park	5/21/2015
631-215	Brentwood	4/22/2016
631-216	Stony Brook
631-217	Stony Brook
631-218	Sayville
631-219	Brentwood	10/13/2003
631-220	Brentwood
631-221	Nassau County Zone 09
631-223	Huntington
631-224	Islip
631-225	Lindenhst
631-226	Lindenhst
631-227	Farmingdale
631-228	Shoreham
631-229	Amityville
631-230	Montauk Point	9/6/2012
631-231	Brentwood
631-232	Central Islip
631-233	Brentwood
631-234	Central Islip
631-235	Brentwood	10/18/2002
631-236	Brentwood
631-237	Bridgehampton	9/25/2001
631-238	Montauk Point	9/25/2001
631-239	Northport
631-240	Smithtown	10/30/2001
631-241	Brentwood	6/5/2003
631-242	Deer Park
631-243	Deer Park
631-244	Sayville
631-245	Brentwood	8/16/2005
631-246	Stony Brook
631-247	Farmingdale
631-248	East Hampton	9/6/2012
631-249	Farmingdale
631-250	St James	4/9/2013
631-251	Sag Harbor
631-252	Brentwood	2/4/2003
631-253	Midland
631-254	Deer Park
631-255	Riverhead	7/22/2002
631-256	Sayville
631-257	Smithtown	5/30/2012
631-258	Brentwood	8/15/2002
631-259	Southampton
631-260	Brentwood	8/28/2014
631-261	Northport
631-262	Northport
631-263	Smithtown
631-264	Amityville
631-265	Smithtown
631-266	West Commack
631-267	Amagansett
631-268	Southampton	4/4/2013
631-269	Kings Park
631-270	Farmingdale
631-271	Huntington
631-272	Central Islip
631-273	Brentwood
631-274	Deer Park
631-275	Brentwood	7/10/2003
631-276	Hampton Bays	10/21/2002
631-277	Islip
631-278	Brentwood	10/21/2003
631-279	Brentwood
631-280	Brentwood
631-281	Atlantic
631-282	Yaphank
631-283	Southampton
631-284	Riverhead
631-285	Ronkonkoma
631-286	Bellport
631-287	Southampton
631-288	Westhampton
631-289	Patchogue
631-290	Babylon	7/29/2015
631-291	Brentwood	7/23/2003
631-292	Kings Park
631-293	Farmingdale
631-294	Yaphank	10/21/2002
631-295	Yaphank
631-296	Bridgehampton	6/28/2013
631-297	Central Islip
631-298	Mattituck
631-299	Brentwood
631-300	Brentwood
631-301	Farmingdale	12/5/2016
631-302	East Fire Island
631-303	Amityville	9/1/2017
631-304	Brentwood	10/13/2015
631-305	Brentwood	2/1/2016
631-306	Deer Park
631-307	Patchogue	8/2/2013
631-308	Brentwood	1/8/2020
631-309	Amityville	4/13/2018
631-310	Patchogue	1/24/2017
631-312	Patchogue
631-313	Islip	6/14/2018
631-314	Babylon
631-315	Mattituck	12/16/2006
631-316	Brentwood	2/21/2007
631-317	Patchogue	12/4/2009
631-318	Amagansett	1/27/2010
631-319	Sayville	2/3/2006
631-320	Selden	8/21/2006
631-321	Babylon
631-322	Brentwood
631-323	Orient
631-324	East Hampton
631-325	Eastport
631-326	Commack
631-327	Huntington	8/27/2002
631-328	Bay Shore
631-329	East Hampton
631-330	Farmingdale	9/30/2011
631-331	Port Jefferson
631-332	Brentwood	2/15/2002
631-333	Greenport	5/5/2009
631-334	Central Islip
631-335	Brentwood	7/10/2003
631-336	Brentwood	6/1/2010
631-337	Sayville
631-338	Brentwood	2/18/2004
631-339	Brentwood	2/12/2010
631-340	Babylon
631-341	Yaphank
631-342	Central Islip
631-343	Commack	9/10/2003
631-344	Yaphank
631-345	Yaphank
631-346	Selden	8/19/2010
631-348	Central Islip
631-349	Stony Brook	9/13/2002
631-350	Huntington
631-351	Huntington
631-352	Smithtown	8/20/2010
631-353	Southampton	8/26/2010
631-354	Mattituck
631-355	Brentwood	8/21/2003
631-356	Brentwood	8/21/2003
631-357	Brentwood
631-358	Babylon	9/10/2010
631-359	Wading River	9/6/2012
631-360	Smithtown
631-361	Smithtown
631-363	Bayport
631-364	Stony Brook	11/8/2010
631-365	Brentwood	9/10/2003
631-366	Smithtown
631-367	Cold Spring Harbor
631-368	West Commack
631-369	Riverhead
631-370	Farmingdale
631-371	Stony Brook	6/17/2002
631-372	Brentwood	12/18/2014
631-373	Brentwood
631-374	Brentwood	11/14/2001
631-375	Riverhead	11/14/2001
631-376	Babylon
631-377	Southampton	11/21/2006
631-378	Shoreham
631-379	Brentwood	1/9/2002
631-380	Stony Brook
631-381	Riverhead	6/7/2016
631-382	Smithtown
631-383	Bay Shore	6/17/2002
631-384	Selden	5/14/2002
631-385	Huntington
631-386	Farmingdale
631-387	Commack
631-388	Brentwood	10/25/2010
631-389	Ronkonkoma
631-390	Farmingdale
631-391	Farmingdale
631-392	Deer Park	2/14/2006
631-393	Farmingdale
631-394	Yaphank	10/26/2010
631-395	Atlantic
631-396	Farmingdale
631-397	Amityville	2/12/2010
631-398	Brentwood
631-399	Atlantic
631-400	Center Moriches
631-401	Brentwood	1/13/2020
631-402	Brentwood	2/1/2012
631-403	Port Jefferson	8/23/2006
631-404	Brentwood
631-405	Riverhead	2/22/2011
631-406	Smithtown
631-407	Southold	3/21/2011
631-408	Amityville	2/6/2012
631-409	Nassau County Zone 09
631-410	Commack
631-412	Lindenhst
631-413	Selden	2/8/2006
631-414	Farmingdale
631-415	Central Islip
631-416	Brentwood	7/11/2011
631-417	Babylon	10/10/2011
631-418	Huntington	5/3/2001
631-419	Bayport
631-420	Farmingdale
631-421	Huntington
631-422	Babylon
631-423	Huntington
631-424	Huntington
631-425	Huntington
631-426	Babylon
631-427	Huntington
631-428	Ronkonkoma	4/4/2001
631-429	Lindenhst	9/6/2012
631-430	Greenport	4/3/2013
631-431	Central Islip
631-432	Brentwood	8/2/2013
631-433	Brentwood	6/26/2002
631-434	Brentwood
631-435	Brentwood
631-436	Brentwood
631-437	Fire Island	10/8/2013
631-438	Patchogue	5/3/2011
631-439	Central Islip
631-440	Fire Island
631-441	Brentwood
631-442	Brentwood
631-443	Eastport
631-444	Stony Brook
631-445	Brentwood	3/15/2001
631-446	Islip	6/7/2007
631-447	Patchogue
631-448	Yaphank	8/10/2011
631-449	Brentwood	6/14/2013
631-450	Lindenhst	3/2/2012
631-451	Selden
631-452	Central Islip	9/8/2015
631-453	Selden
631-454	Farmingdale
631-455	Deer Park
631-456	Brentwood	2/9/2005
631-457	Brentwood
631-458	Sag Harbor
631-459	Brentwood	1/27/2012
631-460	Kings Park
631-461	Riverhead	9/13/2011
631-462	West Commack
631-463	Central Islip
631-464	Amityville	6/9/2011
631-465	Farmingdale
631-466	Riverhead
631-467	Ronkonkoma
631-468	Ronkonkoma
631-469	Brentwood	4/24/2018
631-470	Huntington
631-471	Ronkonkoma
631-472	Bayport
631-473	Port Jefferson
631-474	Port Jefferson
631-475	Patchogue
631-476	Port Jefferson
631-477	Greenport
631-478	Brentwood
631-479	Huntington
631-480	Amityville	3/9/2012
631-481	Islip
631-482	Babylon	3/29/2007
631-483	Montauk Point	2/3/2012
631-484	Brentwood	12/31/2001
631-485	Midland
631-486	West Commack
631-487	Brentwood	7/18/2006
631-488	Southampton	8/21/2007
631-489	West Commack
631-490	Atlantic	3/16/2012
631-491	Midland
631-492	Deer Park
631-493	West Commack
631-494	Riverhead	4/21/2009
631-495	Brentwood
631-496	Selden	2/20/2012
631-497	Yaphank
631-498	Cold Spring Harbor
631-499	West Commack
631-500	Water Mill
631-501	Farmingdale
631-502	Jamesport	3/16/2012
631-503	Center Moriches
631-504	Yaphank	5/23/2006
631-505	Lindenhst	2/24/2010
631-506	Riverhead
631-507	Amityville	6/27/2013
631-508	Riverhead	3/13/2018
631-509	Port Jefferson	8/21/2006
631-510	Midland
631-512	Selden	2/8/2006
631-513	Brentwood
631-514	Brentwood
631-515	Shelter Island	10/31/2012
631-517	Babylon
631-518	Bay Shore	4/3/2013
631-519	East Fire Island	4/3/2013
631-520	Amityville
631-521	Brentwood
631-522	Deer Park	4/2/2009
631-523	Central Islip
631-524	Brentwood	7/18/2011
631-525	Brentwood	11/4/2003
631-526	Babylon	10/22/2012
631-527	East Hampton	6/3/2011
631-528	Kings Park
631-529	Orient
631-530	Amityville	11/24/2015
631-531	Farmingdale
631-532	Amityville
631-533	Central Islip	2/9/2009
631-534	Cold Spring Harbor
631-535	Port Jefferson	9/6/2012
631-536	Eastport
631-537	Bridgehampton
631-538	Selden	8/2/2013
631-539	Babylon
631-540	Mattituck	5/12/2020
631-541	Nassau County Zone 09
631-542	Ronkonkoma	3/16/2012
631-543	Commack
631-544	Kings Park
631-545	Amityville	8/20/2012
631-546	Huntington
631-547	Huntington
631-548	Riverhead
631-549	Huntington
631-550	Yaphank	3/4/2020
631-551	St James
631-552	Amityville	8/22/2013
631-553	Brentwood
631-554	Brentwood
631-556	Brentwood	11/15/2005
631-557	Amagansett	6/9/2014
631-558	Riverhead
631-559	Brentwood	3/30/2006
631-560	Brentwood	9/19/2006
631-561	Selden
631-562	Patchogue	10/6/2011
631-563	Sayville
631-564	Sayville
631-565	Amityville	5/19/2009
631-566	Riverhead	1/5/2006
631-567	Sayville
631-568	Amityville	11/13/2013
631-569	Patchogue	5/19/2006
631-570	Fire Island
631-571	Orient	4/3/2013
631-572	Babylon	5/27/2009
631-573	Sayville	10/6/2011
631-574	Riverhead
631-575	Brentwood	9/30/2008
631-576	Patchogue
631-577	Farmingdale
631-578	Yaphank	4/26/2007
631-579	Brentwood	11/14/2008
631-580	Ronkonkoma
631-581	Islip
631-582	Central Islip
631-583	Fire Island
631-584	St James
631-585	Ronkonkoma
631-586	Deer Park
631-587	Babylon
631-588	Ronkonkoma
631-589	Sayville
631-590	Ronkonkoma
631-591	Riverhead
631-592	Lindenhst
631-593	Greenport
631-594	Hampton Bays	3/15/2001
631-595	Deer Park
631-596	Quogue	1/13/2006
631-597	East Fire Island
631-598	Amityville
631-599	Riverhead
631-600	West Commack
631-601	Brentwood	11/29/2012
631-602	Shelter Island	2/3/2006
631-603	Riverhead
631-604	East Hampton	1/11/2006
631-605	Patchogue	5/13/2009
631-606	Northport	4/17/2009
631-607	Wading River	9/6/2018
631-608	Amityville
631-609	Brentwood	9/8/2008
631-610	Eastport
631-612	Babylon
631-613	Bridgehampton
631-614	Southampton
631-615	Ronkonkoma
631-616	Peconic	1/13/2006
631-617	Brentwood	8/21/2006
631-618	Yaphank
631-619	Ronkonkoma
631-620	Babylon	6/22/2011
631-621	St James
631-622	Farmingdale
631-623	West Commack
631-624	Brentwood	6/30/2008
631-625	Orient	2/3/2006
631-626	Brentwood	5/12/2008
631-627	Patchogue	11/3/2005
631-628	Northport
631-629	Huntington	10/31/2007
631-630	Central Islip
631-632	Stony Brook
631-633	Bellport	3/3/2014
631-634	Commack	10/9/2019
631-635	Babylon
631-636	Brentwood	12/15/2014
631-637	Brentwood	4/28/2014
631-638	Stony Brook	10/5/2005
631-639	Brentwood
631-640	Amityville	3/28/2017
631-641	Water Mill
631-642	Port Jefferson
631-643	Midland
631-644	Riverhead	10/14/2014
631-645	Brentwood
631-646	Sayville	5/28/2020
631-647	Bay Shore
631-648	Ronkonkoma
631-649	Babylon
631-650	Islip
631-651	Northport
631-652	Smithtown	1/13/2014
631-653	Quogue
631-654	Patchogue
631-655	Riverhead
631-656	Smithtown
631-657	Atlantic
631-658	East Hampton	7/11/2013
631-659	Cold Spring Harbor
631-660	Riverhead
631-661	Babylon
631-662	Huntington	10/25/2002
631-663	Kings Park
631-664	Central Islip
631-665	Bay Shore
631-666	Bay Shore
631-667	Deer Park
631-668	Montauk Point
631-669	Babylon
631-670	Commack
631-671	Lindenhst	6/17/2002
631-672	Smithtown	6/17/2002
631-673	Huntington
631-674	Midland
631-675	Stony Brook
631-676	Ronkonkoma	8/20/2004
631-677	Sayville
631-678	Brentwood
631-679	Nassau County Zone 09
631-680	Riverhead	2/14/2001
631-681	Selden	11/8/2004
631-682	Selden	3/14/2002
631-683	Huntington
631-684	Westhampton	6/23/2001
631-685	Hampton Bays
631-686	St James
631-687	Patchogue
631-688	Farmingdale
631-689	Stony Brook
631-690	Patchogue	10/15/2018
631-691	Amityville
631-692	Cold Spring Harbor
631-693	Amityville
631-694	Farmingdale
631-695	Brentwood
631-696	Selden
631-697	Huntington	1/16/2002
631-698	Selden
631-699	Sayville
631-701	Eastport
631-702	Southampton
631-703	Amityville	8/8/2005
631-704	Brentwood	8/16/2005
631-705	Atlantic	2/16/2016
631-706	Stony Brook
631-707	Brentwood	3/10/2005
631-708	Brentwood
631-709	Water Mill	8/17/2004
631-710	Ronkonkoma	6/6/2018
631-712	Farmingdale
631-713	Eastport
631-714	Patchogue	10/11/2004
631-715	Central Islip
631-716	Selden
631-717	Bayport	4/29/2021
631-719	Farmingdale
631-720	Brentwood	5/14/2020
631-721	Selden
631-722	Jamesport
631-723	Hampton Bays
631-724	Smithtown
631-725	Sag Harbor
631-726	Water Mill
631-727	Riverhead
631-728	Hampton Bays
631-729	Atlantic
631-730	Patchogue
631-731	Amagansett
631-732	Selden
631-733	Brentwood
631-734	Peconic
631-735	Peconic	4/3/2013
631-736	Selden
631-737	Ronkonkoma
631-738	Ronkonkoma
631-739	Ronkonkoma
631-740	Riverhead
631-741	Brentwood	10/9/2002
631-742	Huntington	10/9/2002
631-743	Port Jefferson	7/11/2013
631-744	Shoreham
631-745	Riverhead	2/21/2002
631-746	Amityville	9/30/2014
631-747	Brentwood	3/10/2005
631-748	Brentwood
631-749	Shelter Island
631-750	Sayville
631-751	Stony Brook
631-752	Farmingdale
631-753	Farmingdale
631-754	Northport
631-755	Farmingdale
631-756	Farmingdale
631-757	Northport
631-758	Patchogue
631-759	Huntington
631-760	Huntington
631-761	Central Islip
631-762	Stony Brook
631-763	Cold Spring Harbor
631-764	Selden	4/12/2001
631-765	Southold
631-766	Brentwood	7/6/2001
631-767	Brentwood	4/9/2002
631-768	Farmingdale
631-769	Shoreham
631-770	Farmingdale
631-771	East Hampton	10/13/2004
631-772	Atlantic
631-773	Farmingdale
631-774	Brentwood
631-775	Yaphank
631-776	Bellport
631-777	Farmingdale
631-778	Central Islip
631-779	Jamesport
631-780	Smithtown
631-781	Nassau County Zone 09
631-782	Deer Park
631-783	Nassau County Zone 09
631-784	Central Islip
631-785	Nassau County Zone 09
631-786	Brentwood	1/16/2001
631-787	Central Islip
631-788	Fishers Is
631-789	Amityville
631-790	Patchogue	5/16/2001
631-791	Port Jefferson
631-792	Babylon
631-793	Brentwood	3/15/2002
631-794	Farmingdale
631-795	Nassau County Zone 09
631-796	Brentwood	4/12/2001
631-797	Nassau County Zone 09
631-798	Nassau County Zone 09
631-799	Nassau County Zone 09
631-800	Southampton
631-801	Eastport
631-802	Port Jefferson
631-803	Bellport
631-804	Brentwood	5/4/2001
631-805	Amityville	5/16/2001
631-806	Brentwood	10/5/2001
631-807	Brentwood	4/18/2002
631-808	Sag Harbor
631-809	Deer Park	7/12/2018
631-810	Lindenhst	12/16/2020
631-812	Huntington	5/9/2001
631-813	Brentwood	10/15/2004
631-815	Farmingdale
631-816	Yaphank	9/19/2002
631-817	Fire Island
631-818	Babylon	10/30/2018
631-819	Bay Shore	9/16/2019
631-820	Ronkonkoma
631-821	Shoreham
631-822	Central Islip
631-823	Bayport
631-824	Huntington
631-825	Montauk Point	8/1/2014
631-826	Nassau County Zone 09
631-827	Huntington	5/16/2002
631-828	Port Jefferson
631-829	Amityville	9/8/2015
631-830	Riverhead
631-831	Brentwood
631-832	Bayport
631-833	Riverhead	9/6/2002
631-834	Brentwood
631-835	Brentwood	6/4/2001
631-836	Brentwood	6/14/2001
631-837	Northport
631-838	Brentwood
631-839	Brentwood	1/16/2001
631-840	Islip
631-841	Amityville
631-842	Amityville
631-843	Farmingdale
631-844	Farmingdale
631-845	Farmingdale
631-846	Selden	1/16/2001
631-847	Farmingdale
631-848	Brentwood	6/24/2002
631-849	Shoreham
631-850	West Commack
631-851	Central Islip
631-852	Riverhead
631-853	Central Islip
631-854	Brentwood
631-855	Deer Park
631-856	Hampton Bays
631-857	Cold Spring Harbor
631-858	West Commack
631-859	Islip
631-860	Deer Park
631-861	Farmingdale
631-862	St James
631-863	Smithtown
631-864	Commack
631-865	Deer Park
631-866	Bellport
631-867	Lindenhst
631-868	Bayport
631-869	Bellport
631-870	Central Islip
631-871	Riverhead	3/15/2002
631-872	Brentwood	6/27/2001
631-873	Brentwood	10/14/2004
631-874	Center Moriches
631-875	Riverhead	7/18/2001
631-876	Southold	8/17/2004
631-877	Brentwood	8/2/2001
631-878	Center Moriches
631-879	Patchogue
631-880	Selden	11/8/2004
631-881	Central Islip
631-882	Central Islip	5/16/2001
631-883	Bayport
631-884	Lindenhst
631-885	Brentwood	10/27/2004
631-886	Wading River
631-887	Hampton Bays	10/10/2001
631-888	Lindenhst
631-889	Deer Park	4/15/2002
631-890	Patchogue
631-891	Patchogue	5/24/2004
631-892	Bay Shore
631-893	Babylon
631-894	Bay Shore
631-895	Quogue	9/24/2020
631-896	Northport	6/17/2002
631-897	Huntington	10/3/2001
631-898	Westhampton
631-899	Sag Harbor
631-900	West Commack
631-901	Brentwood	4/4/2005
631-902	Riverhead	10/9/2002
631-903	Southampton	10/9/2002
631-904	Central Islip
631-905	Riverhead
631-906	Deer Park	9/13/2019
631-907	East Hampton
631-908	Patchogue	3/9/2020
631-909	Center Moriches
631-910	Wading River
631-912	Northport
631-913	Ronkonkoma
631-915	Riverhead
631-916	Shoreham	2/2/2021
631-918	Deer Park
631-919	Sag Harbor
631-920	Midland
631-921	Brentwood	10/5/2001
631-922	Brentwood
631-923	Huntington
631-924	Yaphank
631-925	Northport
631-926	Brentwood	9/25/2002
631-927	Farmingdale
631-928	Port Jefferson
631-929	Wading River
631-930	Central Islip
631-931	East Hampton	6/3/2016
631-932	Deer Park	4/1/2005
631-933	Amityville	1/23/2015
631-935	Huntington
631-937	Southold	7/16/2015
631-938	Port Jefferson	4/8/2005
631-939	Riverhead	4/24/2019
631-940	Deer Park
631-941	Stony Brook
631-942	Brentwood	8/22/2005
631-943	Babylon	5/16/2001
631-944	Huntington
631-945	Greenport	1/27/2021
631-946	Selden	9/7/2005
631-947	Bellport
631-948	Brentwood
631-949	Bellport	5/16/2001
631-951	Brentwood
631-952	Brentwood
631-953	Riverhead
631-954	Bay Shore
631-955	Deer Park
631-956	Lindenhst
631-957	Lindenhst
631-960	Islip
631-961	Babylon
631-962	Farmingdale
631-963	Central Islip
631-964	Deer Park
631-965	Riverhead	9/19/2002
631-966	Brentwood	7/8/2020
631-967	Brentwood
631-968	Bay Shore
631-969	Bay Shore
631-970	Mattituck	1/27/2021
631-971	West Commack
631-972	Brentwood	9/15/2005
631-973	Kings Park
631-974	Smithtown	4/4/2001
631-975	Center Moriches	2/15/2016
631-977	Patchogue	2/9/2016
631-978	Port Jefferson
631-979	Smithtown
631-980	Commack
631-981	Ronkonkoma
631-982	Smithtown
631-983	Babylon
631-984	Deer Park	3/26/2020
631-985	Riverhead	1/27/2021
631-986	Smithtown	1/27/2021
631-987	Brentwood
631-988	Huntington	2/14/2001
631-989	Riverhead
631-990	Bay Shore	9/30/2019
631-991	Lindenhst
631-992	Deer Park	9/16/2013
631-993	Commack
631-994	Brentwood	8/25/2014
631-995	Yaphank
631-996	Quogue
631-997	Selden	7/29/2014
631-998	Westhampton

The NPA is the Numbering Plan Area (area code) and NXX is the central office code.
For 'Area served' we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
The assignment date. If no date is shown the exchange code was assigned before 2001.

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List of cities in area code 631

City⁴	County	Time⁵
Amagansett	Suffolk	E
Amityville	Suffolk	E
Aquebogue	Suffolk	E
Babylon	Suffolk	E
Bay Shore	Suffolk	E
Bayport	Suffolk	E
Bellport	Suffolk	E
Blue Point	Suffolk	E
Bohemia	Suffolk	E
Brentwood	Suffolk	E
Bridgehampton	Suffolk	E
Brightwaters	Suffolk	E
Brookhaven	Suffolk	E
Calverton	Suffolk	E
Center Moriches	Suffolk	E
Centereach	Suffolk	E
Centerport	Suffolk	E
Central Islip	Suffolk	E
Cold Spring Harbor	Suffolk	E
Commack	Suffolk	E
Copiague	Suffolk	E
Coram	Suffolk	E
Cutchogue	Suffolk	E
Deer Park	Suffolk	E
East Hampton	Suffolk	E
East Islip	Suffolk	E
East Marion	Suffolk	E
East Moriches	Suffolk	E
East Northport	Suffolk	E
East Quogue	Suffolk	E
East Setauket	Suffolk	E
Eastport	Suffolk	E
Farmingville	Suffolk	E
Fishers Island	Suffolk	E
Great River	Suffolk	E
Greenlawn	Suffolk	E
Greenport	Suffolk	E
Hampton Bays	Suffolk	E
Hauppauge	Suffolk	E
Holbrook	Suffolk	E
Holtsville	Suffolk	E
Huntington	Suffolk	E
Huntington Station	Suffolk	E
Islandia	Suffolk	E
Islip	Suffolk	E
Islip Terrace	Suffolk	E
Jamesport	Suffolk	E
Kings Park	Suffolk	E
Lake Grove	Suffolk	E
Laurel	Suffolk	E
Lindenhurst	Suffolk	E
Manorville	Suffolk	E
Mastic	Suffolk	E
Mastic Beach	Suffolk	E
Mattituck	Suffolk	E
Medford	Suffolk	E
Melville	Suffolk	E
Middle Island	Suffolk	E
Miller Place	Suffolk	E
Montauk	Suffolk	E
Moriches	Suffolk	E
Mount Sinai	Suffolk	E
Nesconset	Suffolk	E
New Suffolk	Suffolk	E
North Babylon	Suffolk	E
Northport	Suffolk	E
Oakdale	Suffolk	E
Ocean Beach	Suffolk	E
Orient	Suffolk	E
Patchogue	Suffolk	E
Peconic	Suffolk	E
Port Jefferson	Suffolk	E
Port Jefferson Station	Suffolk	E
Quogue	Suffolk	E
Remsenburg	Suffolk	E
Ridge	Suffolk	E
Riverhead	Suffolk	E
Rocky Point	Suffolk	E
Ronkonkoma	Suffolk	E
Sag Harbor	Suffolk	E
Sagaponack	Suffolk	E
Sayville	Suffolk	E
Selden	Suffolk	E
Shelter Island	Suffolk	E
Shelter Island Heights	Suffolk	E
Shirley	Suffolk	E
Shoreham	Suffolk	E
Smithtown	Suffolk	E
Sound Beach	Suffolk	E
South Jamesport	Suffolk	E
Southampton	Suffolk	E
Southold	Suffolk	E
Speonk	Suffolk	E
St James	Suffolk	E
Stony Brook	Suffolk	E
Upton	Suffolk	E
Wading River	Suffolk	E
Wainscott	Suffolk	E
Water Mill	Suffolk	E
West Babylon	Suffolk	E
West Islip	Suffolk	E
West Sayville	Suffolk	E
Westhampton	Suffolk	E
Westhampton Beach	Suffolk	E
Wyandanch	Suffolk	E
Yaphank	Suffolk	E

Listed in the table above are most, often not all places served by area code 631. When two or more places with the same name are located in the same state we list the largest one only. Cities with population over 50,000 are displayed in bold text.
E stands for Eastern Time (currently 08:47:45 AM).

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