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Area Code 603

There are 756 phone number prefixes within area code 603. Additionally, there are more than 4,100 phone numbers in this area code that have received at least one user report. The location of calls from area code 603 is New Hampshire, USA. Most numbers in this area code are in US Eastern time, where the time is currently 4:15:06 PM on March 27, 2025.
 
Choose a phone number from the list below to browse user reports for . You can also use the search box above to search for user reports about any phone number, or to file a report about any phone number.

Prefix City / State Primary Telco
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
603-711 New Hampshire
603-712 Pike, NH Mcimetro Access Transmission Services Llc - Nh
603-714 Bedford, NH Bell Atlantic Mobile, Inc
603-715 Concord, NH Comcast Ip Phone, Llc
603-716 Manchester, NH Crc Communications Of Maine, Inc. - Nh
603-717 Concord, NH Choice One Of New Hampshire, Inc.
603-718 Nashua, NH Bell Atlantic Mobile, Inc
603-719 Keene, NH Freedom Ring Communications, Llc
603-721 Milford, NH Sprint Spectrum, L.p.
603-722 Manchester, NH Bandwidth.com Clec, Llc - Nh
603-723 Berlin, NH United States Cellular - Nh
603-724 Concord, NH Paetec Communications, Inc. - Nh
603-725 Tamworth, NH Level 3 Communications, Llc - Nh
603-726 Campton, NH Consolidated Comm Of No. New England-nh
603-727 Lebanon, NH Lightship Telecom, Llc - Nh
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 Consolidated Comm Enterprise Services Inc
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 Lightship Telecom, Llc - Nh
603-758 Hampton, NH Choice One Of New Hampshire, Inc.
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 Sprint Spectrum, L.p.
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 Sprint Spectrum, L.p.
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 Sprint Spectrum, L.p.
603-800 Meredith, NH Fractel, Llc
603-801 Milford, NH Bell Atlantic Mobile, Inc
603-802 New Hampshire
603-803 Keene, NH Centurylink Communications, Llc
603-808 Antrim, NH Comcast Ip Phone, Llc
603-809 Nashua, NH Bell Atlantic Mobile, Inc
603-810 Nashua, NH Telnyx Llc
603-811 New Hampshire
603-812 Portsmouth, NH Bell Atlantic Mobile, Inc
603-813 Center Barnstead, NH Idt America, Corp. - Nh

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User Reports

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