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 |
|---|---|---|---|
| 603-505 | Derry | NH | BELL ATLANTIC MOBILE, INC |
| 603-506 | Manchester | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-507 | Rochester | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-508 | Pelham | NH | BELL ATLANTIC MOBILE, INC |
| 603-509 | Rochester | NH | PAETEC ITEL, LLC |
| 603-510 | Meriden | NH | COMCAST IP PHONE, LLC |
| 603-512 | Manchester | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-513 | Concord | NH | BELL ATLANTIC MOBILE, INC |
| 603-514 | Nashua | NH | BELL ATLANTIC MOBILE, INC |
| 603-515 | Wolfeboro | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-516 | Dover | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-517 | Merrimack | NH | AMERICAN MESSAGING SERVICES, LLC |
| 603-518 | Manchester | NH | AT&T - LOCAL |
| 603-519 | Exeter | NH | BELL ATLANTIC MOBILE, INC |
| 603-520 | Laconia | NH | BELL ATLANTIC MOBILE, INC |
| 603-521 | Nashua | NH | AT&T - LOCAL |
| 603-522 | Sanbornville | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-523 | Canaan | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-524 | Laconia | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-525 | Hancock | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-526 | New London | NH | KEARSARGE TEL. CO. |
| 603-527 | Laconia | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-528 | Laconia | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-529 | Weare | NH | GRANITE STATE TEL., INC. |
| 603-530 | Bristol | NH | BELL ATLANTIC MOBILE, INC |
| 603-531 | Portsmouth | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-532 | Jaffrey | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-533 | Merrimack | NH | UNITED STATES CELLULAR - NH |
| 603-534 | Dover | NH | BELL ATLANTIC MOBILE, INC |
| 603-535 | Plymouth | NH | PAETEC ITEL, LLC |
| 603-536 | Plymouth | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-537 | Derry | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-538 | Pittsburg | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-539 | Center Ossipee | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-540 | Manchester | NH | BELL ATLANTIC MOBILE, INC |
| 603-541 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-542 | Claremont | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-543 | Claremont | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-544 | Melvin Village | NH | MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY |
| 603-545 | Concord | NH | PAETEC ITEL, LLC |
| 603-546 | Nashua | NH | PAETEC ITEL, LLC |
| 603-547 | Greenfield | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-548 | Derry | NH | BELL ATLANTIC MOBILE, INC |
| 603-549 | Derry | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-550 | Dover | NH | TELNYX LLC |
| 603-551 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-552 | Derry | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-553 | Derry | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-554 | Milford | NH | UNITED STATES CELLULAR - NH |
| 603-556 | Laconia | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-557 | Nashua | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-558 | Claremont | NH | BELL ATLANTIC MOBILE, INC |
| 603-559 | Portsmouth | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-560 | Salem | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-561 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-562 | Peterborough | NH | UNITED STATES CELLULAR - NH |
| 603-563 | Dublin | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-564 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-565 | Penacook | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-566 | Nashua | NH | BELL ATLANTIC MOBILE, INC |
| 603-567 | Peterborough | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-568 | Concord | NH | BELL ATLANTIC MOBILE, INC |
| 603-569 | Wolfeboro | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-570 | Portsmouth | NH | TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
| 603-571 | Derry | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-573 | Concord | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-574 | Alstead | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-575 | Littleton | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-576 | Orford | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-577 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-578 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-579 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-580 | Exeter | NH | COMCAST IP PHONE, LLC |
| 603-581 | Laconia | NH | PAETEC ITEL, LLC |
| 603-582 | Merrimack | NH | UNITED STATES CELLULAR - NH |
| 603-583 | Exeter | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-584 | Concord | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-585 | Fitzwilliam | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-586 | Jefferson | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-587 | Candia | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-588 | Antrim | NH | MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY |
| 603-589 | Nashua | NH | PAETEC ITEL, LLC |
| 603-590 | Durham | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-591 | Manchester | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-592 | Spofford | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-593 | Jaffrey | NH | PAETEC ITEL, LLC |
| 603-594 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-595 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-596 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-597 | Lyme | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-598 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-599 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-600 | Manchester | NH | COMMIO, LLC |
| 603-601 | Hampton | NH | PAETEC ITEL, LLC |
| 603-602 | Rochester | NH | TELEPORT COMMUNICATIONS AMERICA, LLC - NH |
| 603-604 | Rye Beach | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-605 | Dover | NH | PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH |
| 603-606 | Manchester | NH | ONVOY SPECTRUM, LLC |
| 603-607 | West Chesterfield | NH | NUSO, LLC |
| 603-608 | Northwood | NH | METROPCS, INC. |
| 603-609 | Dover | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-610 | Portsmouth | NH | PAETEC ITEL, LLC |
| 603-612 | Plaistow | NH | PAETEC ITEL, LLC |
| 603-613 | Colebrook | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-614 | West Chesterfield | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-615 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-616 | Littleton | NH | UNITED STATES CELLULAR - NH |
| 603-617 | Dover | NH | PAETEC ITEL, LLC |
| 603-618 | Pike | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-619 | Laconia | NH | COMCAST IP PHONE, LLC |
| 603-620 | Merrimack | NH | UNITED STATES CELLULAR - NH |
| 603-621 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-622 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-623 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-624 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-625 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-626 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-627 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-628 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-629 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-630 | Laconia | NH | BELL ATLANTIC MOBILE, INC |
| 603-631 | Lancaster | NH | UNITED STATES CELLULAR - NH |
| 603-632 | Enfield | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-633 | Milford | NH | BELL ATLANTIC MOBILE, INC |
| 603-634 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-635 | Pelham | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-636 | Groveton | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-637 | Bedford | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-638 | Monroe | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-639 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-640 | Hanover | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-641 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-642 | Kingston | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-643 | Hanover | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-644 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-645 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-646 | Hanover | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-647 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-648 | Salisbury | NH | KEARSARGE TEL. CO. |
| 603-649 | Jaffrey | NH | COMCAST IP PHONE, LLC |
| 603-650 | Hanover | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-651 | Center Ossipee | NH | UNITED STATES CELLULAR - NH |
| 603-652 | Milton | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-653 | Hanover | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-654 | Wilton | NH | WILTON TEL. CO. |
| 603-655 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-656 | Manchester | NH | FIDIUM ENTERPRISE SERVICES, LLC |
| 603-657 | Manchester | NH | PAETEC ITEL, LLC |
| 603-658 | Exeter | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-659 | Newmarket | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
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