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 |
|---|---|---|---|
| 603-660 | Goffstown | NH | BELL ATLANTIC MOBILE, INC |
| 603-661 | Manchester | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-662 | Conway | NH | UNITED STATES CELLULAR - NH |
| 603-663 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-664 | Barrington | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-665 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-666 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-667 | Lebanon | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-668 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-669 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-670 | Merrimack | NH | PAETEC ITEL, LLC |
| 603-671 | Franklin | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-672 | Milford | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-673 | Milford | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-674 | Manchester | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-675 | Plainfield | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-676 | Hanover | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-677 | Meredith | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-678 | Lebanon | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-679 | Epping | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-680 | Hillsboro | NH | FIDIUM ENTERPRISE SERVICES, LLC |
| 603-681 | Salem | NH | PAETEC ITEL, LLC |
| 603-682 | Manchester | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-683 | Merrimack | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-684 | Lancaster | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-685 | Salem | NH | PAETEC ITEL, LLC |
| 603-686 | Exeter | NH | BELL ATLANTIC MOBILE, INC |
| 603-687 | Jackson | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-688 | Concord | NH | PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH |
| 603-689 | Nashua | NH | PAETEC ITEL, LLC |
| 603-690 | Claremont | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-691 | Exeter | NH | COMMIO, LLC |
| 603-692 | Somersworth | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-693 | Epping | NH | PAETEC ITEL, LLC |
| 603-694 | Chatham | NH | CONSOLIDATED COMMUNICATIONS OF MAINE COMPANY |
| 603-695 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-696 | Manchester | NH | ONVOY, LLC - NH |
| 603-697 | Dover | NH | COMCAST IP PHONE, LLC |
| 603-698 | Manchester | NH | NUSO, LLC |
| 603-699 | Nashua | NH | NUSO, LLC |
| 603-701 | New Durham | NH | IDT AMERICA, CORP. - NH |
| 603-702 | Kingston | NH | BELL ATLANTIC MOBILE, INC |
| 603-703 | Manchester | NH | OTEL TELEKOM, INC. - NH |
| 603-704 | Derry | NH | TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
| 603-705 | Salisbury | NH | COMCAST IP PHONE, LLC |
| 603-706 | Raymond | NH | PAETEC ITEL, LLC |
| 603-707 | Meredith | NH | BELL ATLANTIC MOBILE, INC |
| 603-708 | Canterbury | NH | COMCAST IP PHONE, LLC |
| 603-709 | Plainfield | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-710 | Washington | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-712 | Pike | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-713 | Nashua | NH | ONVOY, LLC - NH |
| 603-714 | Bedford | NH | BELL ATLANTIC MOBILE, INC |
| 603-715 | Concord | NH | COMCAST IP PHONE, LLC |
| 603-716 | Manchester | NH | BELL ATLANTIC MOBILE, INC |
| 603-717 | Concord | NH | PAETEC ITEL, LLC |
| 603-718 | Nashua | NH | BELL ATLANTIC MOBILE, INC |
| 603-719 | Keene | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-720 | Troy | NH | TWC IP ENABLED SERVICES, LLC |
| 603-721 | Milford | NH | METROPCS, INC. |
| 603-722 | Manchester | NH | BANDWIDTH.COM CLEC, LLC - NH |
| 603-723 | Berlin | NH | UNITED STATES CELLULAR - NH |
| 603-724 | Concord | NH | PAETEC ITEL, LLC |
| 603-725 | Tamworth | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-726 | Campton | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-727 | Lebanon | NH | PAETEC ITEL, LLC |
| 603-728 | North Woodstock | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-729 | Tilton | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-730 | North Conway | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-731 | Concord | NH | BELL ATLANTIC MOBILE, INC |
| 603-732 | Milford | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-733 | North Conway | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-734 | Epping | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-735 | Andover | NH | KEARSARGE TEL. CO. |
| 603-736 | Epsom | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-737 | Laconia | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-738 | Concord | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-739 | North Woodstock | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-740 | Dover | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-741 | New Boston | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-742 | Dover | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-743 | Dover | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-744 | Bristol | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-745 | North Woodstock | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-746 | Contoocook | NH | MERRIMACK COUNTY TEL. CO. |
| 603-747 | Woodsville | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-748 | Warner | NH | BELL ATLANTIC MOBILE, INC |
| 603-749 | Dover | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-750 | Dover | NH | FIDIUM ENTERPRISE SERVICES, LLC |
| 603-751 | Pelham | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-752 | Berlin | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-753 | Penacook | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-754 | Lancaster | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-755 | Farmington | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-756 | Walpole | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-757 | Keene | NH | PAETEC ITEL, LLC |
| 603-758 | Hampton | NH | PAETEC ITEL, LLC |
| 603-759 | Nashua | NH | BELL ATLANTIC MOBILE, INC |
| 603-760 | Seabrook | NH | TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
| 603-761 | Littleton | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-762 | Keene | NH | BELL ATLANTIC MOBILE, INC |
| 603-763 | Sunapee | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-764 | Warren | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-765 | Nashua | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-766 | Portsmouth | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-767 | Dover | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-768 | Danbury | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-769 | Milford | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-770 | Exeter | NH | BELL ATLANTIC MOBILE, INC |
| 603-771 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-772 | Exeter | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-773 | Exeter | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-774 | Dunbarton | NH | DUNBARTON TEL. CO. |
| 603-775 | Exeter | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-776 | Barnstead | NH | UNION TEL. CO. |
| 603-777 | Exeter | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-778 | Exeter | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-779 | Plymouth | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-780 | Canaan | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-781 | Dover | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-782 | Manchester | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-783 | Canterbury | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-784 | Peterborough | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-785 | Manchester | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-786 | Rumney | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-787 | Woodsville | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-788 | Lancaster | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-789 | Danbury | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-790 | West Lebanon | NH | BELL ATLANTIC MOBILE, INC |
| 603-791 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-792 | Manchester | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-793 | Exeter | NH | METROPCS, INC. |
| 603-794 | Laconia | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-795 | Lyme | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-796 | Boscawen | NH | KEARSARGE TEL. CO. |
| 603-797 | Plaistow | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-798 | Chichester | NH | KEARSARGE TEL. CO. |
| 603-799 | Manchester | NH | METROPCS, INC. |
| 603-800 | Meredith | NH | FRACTEL, LLC |
| 603-801 | Milford | NH | BELL ATLANTIC MOBILE, INC |
| 603-802 | Concord | NH | ONVOY, LLC - NH |
| 603-803 | Keene | NH | CENTURYLINK COMMUNICATIONS, LLC |
| 603-804 | Dover | NH | BOOST SUBSCRIBERCO L.L.C. |
| 603-805 | Concord | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-808 | Antrim | NH | COMCAST IP PHONE, LLC |
| 603-809 | Nashua | NH | BELL ATLANTIC MOBILE, INC |
| 603-810 | Nashua | NH | TELNYX LLC |
| 603-812 | Portsmouth | NH | BELL ATLANTIC MOBILE, INC |
| 603-813 | Center Barnstead | NH | IDT AMERICA, CORP. - NH |
| 603-814 | Seabrook | NH | COMCAST IP PHONE, LLC |
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