Area Code 603 - New Hampshire
Every 603 prefix with its city and carrier. Got a specific number? Search it here.
Area code 603 serves New Hampshire (Eastern time zone) with 752 assigned prefixes. Major rate centers include Manchester, Nashua, Concord, Derry, Dover, Portsmouth, Merrimack, Salem. Received a call from a 603 number? Type the full number into the search box above to see its city, carrier, and community reports.
Prefixes in area code 603
| Prefix | City | State | Carrier |
|---|---|---|---|
| 603-815 | Durham | NH | TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
| 603-816 | Nashua | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-817 | Dover | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-818 | Derry | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-819 | Plaistow | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-820 | Merrimack | NH | METROPCS, INC. |
| 603-821 | Nashua | NH | PAETEC ITEL, LLC |
| 603-822 | Rochester | NH | PAETEC ITEL, LLC |
| 603-823 | Franconia | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-824 | Salem | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-825 | Manchester | NH | TON80 COMMUNICATIONS, LLC |
| 603-826 | Charlestown | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-827 | Harrisville | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-828 | Portsmouth | NH | BELL ATLANTIC MOBILE, INC |
| 603-829 | Sunapee | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-831 | Greenfield | NH | BELL ATLANTIC MOBILE, INC |
| 603-832 | Laconia | NH | PAETEC ITEL, LLC |
| 603-833 | Rochester | NH | BELL ATLANTIC MOBILE, INC |
| 603-834 | Dover | NH | PAETEC ITEL, LLC |
| 603-835 | Alstead | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-836 | Manchester | NH | COMCAST IP PHONE, LLC |
| 603-837 | Whitefield | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-838 | Lisbon | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-839 | Farmington | NH | TWC IP ENABLED SERVICES, LLC |
| 603-840 | Epsom | NH | COMCAST IP PHONE, LLC |
| 603-841 | Somersworth | NH | COMCAST IP PHONE, LLC |
| 603-842 | Dover | NH | PAETEC ITEL, LLC |
| 603-843 | Newport | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-845 | Derry | NH | PAETEC ITEL, LLC |
| 603-846 | Twin Mountain | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-847 | Sullivan | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-848 | Concord | NH | UNITED STATES CELLULAR - NH |
| 603-850 | Lisbon | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-851 | Manchester | NH | BELL ATLANTIC MOBILE, INC |
| 603-852 | Keene | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-853 | Woodsville | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-854 | Manchester | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-855 | Alton | NH | IDT AMERICA, CORP. - NH |
| 603-856 | Concord | NH | PAETEC ITEL, LLC |
| 603-857 | Suncook | NH | LEAP TELECOM, LLC |
| 603-858 | Manchester | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-859 | New Durham | NH | UNION TEL. CO. |
| 603-860 | Manchester | NH | BELL ATLANTIC MOBILE, INC |
| 603-861 | Tamworth | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-862 | Durham | NH | PAETEC ITEL, LLC |
| 603-863 | Newport | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-864 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-865 | Newport | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-866 | Dover | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-867 | Manchester | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-868 | Durham | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-869 | Bethlehem | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-870 | Salem | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-871 | Sanbornville | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-872 | Gilmanton Iron Works | NH | IDT AMERICA, CORP. - NH |
| 603-873 | Sunapee | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-874 | Monroe | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-875 | Alton | NH | UNION TEL. CO. |
| 603-876 | Marlborough | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-877 | New London | NH | COMCAST IP PHONE, LLC |
| 603-878 | Greenville | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-879 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-880 | Nashua | NH | TELNYX LLC |
| 603-881 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-882 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-883 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-884 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-885 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-886 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-887 | Chester | NH | GRANITE STATE TEL., INC. |
| 603-888 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-889 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-890 | Salem | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-891 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-892 | Concord | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-893 | Salem | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-894 | Salem | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-895 | Raymond | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-896 | Salem | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-897 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-898 | Salem | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-899 | Rindge | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-900 | Newport | NH | FRACTEL, LLC |
| 603-901 | Conway | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-902 | Sutton | NH | COMCAST IP PHONE, LLC |
| 603-903 | Keene | NH | BELL ATLANTIC MOBILE, INC |
| 603-904 | Walpole | NH | OTEL TELEKOM, INC. - NH |
| 603-905 | Barrington | NH | OTEL TELEKOM, INC. - NH |
| 603-906 | Barnstead | NH | IDT AMERICA, CORP. - NH |
| 603-910 | Hampton | NH | PAETEC ITEL, LLC |
| 603-912 | Salem | NH | TERRA NOVA TELECOM INC. |
| 603-913 | Merrimack | NH | PAETEC ITEL, LLC |
| 603-915 | Gorham | NH | BELL ATLANTIC MOBILE, INC |
| 603-916 | Meredith | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-918 | Hampton | NH | BELL ATLANTIC MOBILE, INC |
| 603-919 | Rochester | NH | BELL ATLANTIC MOBILE, INC |
| 603-921 | Nashua | NH | BELL ATLANTIC MOBILE, INC |
| 603-922 | North Stratford | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-923 | Rochester | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-924 | Peterborough | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-925 | Peterborough | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-926 | Hampton | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-927 | Sutton | NH | MERRIMACK COUNTY TEL. CO. |
| 603-928 | Suncook | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-929 | Hampton | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-930 | Nashua | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-931 | Concord | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-932 | Manchester | NH | ONVOY, LLC - NH |
| 603-933 | Greenfield | NH | BELL ATLANTIC MOBILE, INC |
| 603-934 | Franklin | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-935 | Manchester | NH | COMCAST IP PHONE, LLC |
| 603-937 | Meredith | NH | BELL ATLANTIC MOBILE, INC |
| 603-938 | Bradford | NH | MERRIMACK COUNTY TEL. CO. |
| 603-939 | East Conway | NH | CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
| 603-941 | Wolfeboro | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-942 | Northwood | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-943 | Nashua | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-944 | South Hampton | NH | METROPCS, INC. |
| 603-945 | Manchester | NH | ONVOY, LLC - NH |
| 603-947 | Plymouth | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-948 | Rochester | NH | IDT AMERICA, CORP. - NH |
| 603-951 | Milan | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-952 | Salem | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-953 | Dover | NH | PAETEC ITEL, LLC |
| 603-956 | Portsmouth | NH | VONAGE AMERICA LLC |
| 603-957 | Portsmouth | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-960 | Campton | NH | BELL ATLANTIC MOBILE, INC |
| 603-961 | Chichester | NH | COMCAST IP PHONE, LLC |
| 603-964 | Rye Beach | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-965 | Derry | NH | PAETEC ITEL, LLC |
| 603-966 | Nashua | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-967 | Hampton | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-968 | Ashland | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-969 | Portsmouth | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-970 | Dover | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-971 | Rindge | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-973 | Rochester | NH | METROPCS, INC. |
| 603-974 | Plaistow | NH | COMCAST IP PHONE, LLC |
| 603-975 | Boscawen | NH | COMCAST IP PHONE, LLC |
| 603-977 | Andover | NH | COMCAST IP PHONE, LLC |
| 603-978 | Dover | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-986 | North Conway | NH | BELL ATLANTIC MOBILE, INC |
| 603-988 | Portsmouth | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-989 | Pike | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-991 | Littleton | NH | BELL ATLANTIC MOBILE, INC |
| 603-992 | Danbury | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-994 | Rochester | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-995 | Henniker | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-996 | Plymouth | NH | METROPCS, INC. |
| 603-997 | Hampton | NH | METROPCS, INC. |
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