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Updated Jan 02, 2010Area Code 603
  1. "E" is Eastern Time Zone, "C" is Central Time Zone, "M" is Mountain Time Zone, and "P" is Pacific Time Zone. Occasionally, an area code will fall in more than one time zone. In this case, the abbreviation is a combination of the previous abbreviations. Some area codes are shown with time zones referencing Universal Coordinated Time (UTC).
  2. Additional technical status can be retrived from the North American Numbering Plan Administration on the 603 area code specific link here.
Area Code603 (area code map)
LocationNew Hampshire
Dates and historical informationArea code 603 went live into service on January 01, 1947 (The paperwork process started on January 01, 1947).
Growth Status Planning is underway and notices have been distributed regarding the area code subdivision. 
Technical Status 2Area code 603 is currently live and in service.
Time Zone(s) 1E
LATA numbers served122
Number of rate centers served147
List of rate centersMANCHESTER, NASHUA, PORTSMOUTH, LYME, KEENE, SUNCOOK, SALEM, ERROL, BERLIN, DERRY, BRISTOL, CONCORD, CAMPTON, COLEBROOK, PLYMOUTH, WINCHESTER, TROY, RAYMOND, WSTEWATSTN, DOVER, MILFORD, CENTER HBR, W LEBANON, DIXVL NTCH, WCHESTEFLD, PLAISTOW, PETERBROGH, LITTLETON, MERRIMACK, NEW BOSTON, TILTON, BELMONT, CTRBARNSTE, PIERMONT, HANOVER, BRETTON WD, MEREDITH, BARRINGTON, CTRSANDWIH, CLAREMONT, WOODSVILLE, GREENVILLE, LACONIA, DURHAM, CTROSSIPEE, CHESTER, ENFIELD, LEBANON, FRANKLIN, BEDFORD, MILAN, TAMWORTH, HAMPSTEAD, ROCHESTER, HINSDALE, KINGSTON, NOWOODSTOK, MILTON, GOFFSTOWN, ORFORD, NO CONWAY, SPOFFORD, GLNTNIRWRS, MADISON, NEWPORT, CANDIA, BARTLETT, RYE BEACH, JACKSON, SO HAMPTON, WESTMORELD, SUNAPEE, EXETER, HENNIKER, PITTSFIELD, NO WALPOLE, MARLOW, CONWAY, WARNER, DEERFIELD, HILLSBORO, HOLLIS, GORHAM, SEABROOK, MERIDEN, MILTON ML, HLLSBUPVLG, WASHINGTON, DANBURY, CANAAN, PELHAM, LANCASTER, WOLFEBORO, SANBORNVL, HANCOCK, NEW LONDON, WEARE, JAFFREY, PITTSBURG, MELVIN VLG, GREENFIELD, DUBLIN, PENACOOK, ALSTEAD, FITZWILLIM, JEFFERSON, ANTRIM, HAMPTON, NORTHWOOD, PIKE, GROVETON, MONROE, SALISBURY, WILTON, PLAINFIELD, EPPING, SOMERSWTH, CHATHAM, EPSOM, CANTERBURY, RINDGE, ANDOVER, CONTOOCOOK, FARMINGTON, WALPOLE, WARREN, DUNBARTON, BARNSTEAD, RUMNEY, BOSCAWEN, CHICHESTER, FRANCONIA, CHARLESTN, HARRISVL, WHITEFIELD, LISBON, TWIN MT, SULLIVAN, NEW DURHAM, BETHLEHEM, ALTON, MARLBOROGH, NO STRATFD, SUTTON, BRADFORD, EASTCONWAY, ASHLAND
Number of major cities served255
Names of major cities served (ZIP code)(00000), Manchester (03101), Nashua (03061), Portsmouth (03801), Newington (03801), Patchogue (11772), Davis Park (11772), E Patchogue (11772), East Patchogue (11772), Canaan Lake (11772), N Patchogue (11772), North Patchogue (11772), Lyme (03768), Keene (03431), North Swanzey (03431), Roxbury (03431), Surry (03431), N Swanzey (03431), Suncook (03275), Allenstown (03275), Pembroke (03275), Salem (03079), Errol (03579), Wentworths Location (03579), Wntwrths Lctn (03579), Berlin (03570), Derry (03038), Londonderry (03038), Bristol (03222), Alexandria (03222), Bridgewater (03222), Concord (03301), Campton (03223), Thornton (03223), Ellsworth (03223), Colebrook (03576), Dixville (03576), Stewartstown (03576), Columbia (03576), Dixville Notch (03576), Plymouth (03264), Bridgewater (03264), Winchester (03470), Richmond (03470), Troy (03465), Raymond (03077), West Stewartstown (03597), Dover (03820), Milford (03055), Center Harbor (03226), Centre Harbor (03226), Ctr Harbor (03226), White River Junction (05001), White Riv Jct (05001), Lyman (05001), Russtown (05001), Brattleboro (05301), Dummerston (05301), Guilford (05301), W Brattleboro (05301), West Brattleboro (05301), Brattleboro Center (05301), Gilford (05301), Green River (05301), Guilford Center (05301), Harrisville (05301), Halifax (05301), Nutting Lake (01865), Peterborough (03458), Sharon (03458), Littleton (03561), Merrimack (03054), New Boston (03070), Tilton (03276), Northfield (03276), Belmont (03220), Center Barnstead (03225), Ctr Barnstead (03225), Bradford (05033), Lower Plain (05033), South Corinth (05033), Laconia (03246), Lakeport (03246), Weirs Beach (03246), Amesbury (01913), Hanover (03755), Bretton Woods (03575), Meredith (03253), Barrington (03825), Canaan (03741), Orange (03741), Center Sandwich (03227), Ctr Sandwich (03227), Sandwich (03227), Claremont (03743), Unity (03743), Woodsville (03785), Easton (03785), Landaff (03785), Benton (03785), Greenville (03048), Mason (03048), Newmarket (03857), Durham (03824), Lee (03824), Center Ossipee (03814), Ctr Ossipee (03814), Charlestown (03603), Unity (03603), Enfield (03748), Lebanon (03766), Franklin (03235), W Franklin (03235), West Franklin (03235), Manchester (03102), Pinardville (03102), Milan (03588), Dummer (03588), Tamworth (03886), Hampstead (03841), Rochester (03867), Hinsdale (03451), Kingston (03848), North Woodstock (03262), N Woodstock (03262), Milton (03851), Goffstown (03045), Fairlee (05045), Ely (05045), Lake Morey (05045), North Conway (03860), Hales Lctn (03860), Hales Location (03860), N Conway (03860), No Conway (03860), Atkinson (03811), Spofford (03462), Madison (03849), Newport (03773), Unity (03773), Croydon (03773), Candia (03034), Bartlett (03812), Harts Lctn (03812), Harts Location (03812), Rye Beach (03871), Jackson (03846), Jefferson (03583), Northumberland (03583), Exeter (03833), Brentwood (03833), Kensington (03833), Westmoreland (03467), Sunapee (03782), Henniker (03242), Pittsfield (03263), Bellows Falls (05101), Gageville (05101), North Westminster (05101), Rockingham (05101), Marlow (03456), Conway (03818), Albany (03818), Warner (03278), Sutton (03278), Deerfield (03037), Hillsborough (03244), Deering (03244), Hillsboro (03244), Windsor (03244), Hollis (03049), Gorham (03581), Shelburne (03581), Seabrook (03874), Meriden (03770), Milton (03852), Milton Mills (03852), Moultonborough (03254), Moultonboro (03254), Washington (03280), Lancaster (03584), Northumberland (03584), Danbury (03230), Pelham (03076), Wolfeboro (03894), Tuftonboro (03894), Brookfield (03894), Sanbornville (03872), Wakefield (03872), Brookfield (03872), Hancock (03449), New London (03257), Sutton (03257), Weare (03281), Jaffrey (03452), Pittsburg (03592), Clarksville (03592), Melvin Village (03850), Greenfield (03047), Dublin (03444), Concord (03303), Boscawen (03303), Penacook (03303), Webster (03303), Alstead (03602), Langdon (03602), Alstead Center (03602), East Alstead (03602), Fitzwilliam (03447), Antrim (03440), Hampton (03842), Hampton Beach (03842), Northwood (03261), Pike (03780), Benton (03780), Groveton (03582), Northumberland (03582), Northumberlnd (03582), Stark (03582), Barnet (05821), Barnet Center (05821), Inwood (05821), South Peacham (05821), West Barnet (05821), Salisbury (03268), Wilton (03086), Windsor (05089), West Windsor (05089), Fieldsville (05089), Jenneville (05089), Sheddsville (05089), Epping (03042), Somersworth (03878), Fryeburg (04037), N Fryeburg (04037), North Fryeburg (04037), Stow (04037), Epsom (03234), New Durham (03855), Canterbury (03224), Rindge (03461), Andover (03216), Contoocook (03229), Hopkinton (03229), Farmington (03835), Walpole (03608), Warren (03279), Barnstead (03218), Rumney (03266), Ellsworth (03266), Groton (03266), Dorchester (03266), North Haverhill (03774), N Haverhill (03774), No Haverhill (03774), Franconia (03580), Easton (03580), Harrisville (03450), Whitefield (03598), Carroll (03598), Dalton (03598), Lisbon (03585), Landaff (03585), Lyman (03585), Twin Mountain (03595), Alton (03809), Bethlehem (03574), Marlborough (03455), North Stratford (03590), Columbia (03590), N Stratford (03590), Stratford (03590), No Stratford (03590), Bradford (03221), Sutton (03221), Ashland (03217)
Number of exchanges served679
List of exchanges served603-203-xxxx, 603-204-xxxx, 603-205-xxxx, 603-206-xxxx, 603-208-xxxx, 603-209-xxxx, 603-210-xxxx, 603-212-xxxx, 603-214-xxxx, 603-215-xxxx, 603-216-xxxx, 603-217-xxxx, 603-218-xxxx, 603-219-xxxx, 603-221-xxxx, 603-222-xxxx, 603-223-xxxx, 603-224-xxxx, 603-225-xxxx, 603-226-xxxx, 603-227-xxxx, 603-228-xxxx, 603-229-xxxx, 603-230-xxxx, 603-231-xxxx, 603-232-xxxx, 603-233-xxxx, 603-234-xxxx, 603-235-xxxx, 603-236-xxxx, 603-237-xxxx, 603-238-xxxx, 603-239-xxxx, 603-240-xxxx, 603-241-xxxx, 603-242-xxxx, 603-244-xxxx, 603-245-xxxx, 603-246-xxxx, 603-247-xxxx, 603-248-xxxx, 603-249-xxxx, 603-250-xxxx, 603-251-xxxx, 603-252-xxxx, 603-253-xxxx, 603-254-xxxx, 603-255-xxxx, 603-256-xxxx, 603-257-xxxx, 603-258-xxxx, 603-259-xxxx, 603-261-xxxx, 603-262-xxxx, 603-264-xxxx, 603-265-xxxx, 603-266-xxxx, 603-267-xxxx, 603-268-xxxx, 603-269-xxxx, 603-271-xxxx, 603-272-xxxx, 603-275-xxxx, 603-276-xxxx, 603-277-xxxx, 603-278-xxxx, 603-279-xxxx, 603-280-xxxx, 603-281-xxxx, 603-283-xxxx, 603-284-xxxx, 603-285-xxxx, 603-286-xxxx, 603-287-xxxx, 603-288-xxxx, 603-289-xxxx, 603-290-xxxx, 603-291-xxxx, 603-293-xxxx, 603-294-xxxx, 603-295-xxxx, 603-296-xxxx, 603-297-xxxx, 603-298-xxxx, 603-299-xxxx, 603-300-xxxx, 603-301-xxxx, 603-302-xxxx, 603-303-xxxx, 603-304-xxxx, 603-305-xxxx, 603-306-xxxx, 603-307-xxxx, 603-308-xxxx, 603-309-xxxx, 603-310-xxxx, 603-312-xxxx, 603-313-xxxx, 603-314-xxxx, 603-315-xxxx, 603-316-xxxx, 603-317-xxxx, 603-318-xxxx, 603-319-xxxx, 603-320-xxxx, 603-321-xxxx, 603-322-xxxx, 603-323-xxxx, 603-325-xxxx, 603-326-xxxx, 603-327-xxxx, 603-328-xxxx, 603-329-xxxx, 603-330-xxxx, 603-331-xxxx, 603-332-xxxx, 603-334-xxxx, 603-335-xxxx, 603-336-xxxx, 603-337-xxxx, 603-338-xxxx, 603-339-xxxx, 603-340-xxxx, 603-341-xxxx, 603-342-xxxx, 603-343-xxxx, 603-344-xxxx, 603-345-xxxx, 603-346-xxxx, 603-347-xxxx, 603-348-xxxx, 603-349-xxxx, 603-350-xxxx, 603-351-xxxx, 603-352-xxxx, 603-353-xxxx, 603-354-xxxx, 603-355-xxxx, 603-356-xxxx, 603-357-xxxx, 603-358-xxxx, 603-359-xxxx, 603-361-xxxx, 603-362-xxxx, 603-363-xxxx, 603-364-xxxx, 603-365-xxxx, 603-366-xxxx, 603-367-xxxx, 603-368-xxxx, 603-369-xxxx, 603-370-xxxx, 603-371-xxxx, 603-372-xxxx, 603-373-xxxx, 603-374-xxxx, 603-375-xxxx, 603-376-xxxx, 603-377-xxxx, 603-378-xxxx, 603-379-xxxx, 603-380-xxxx, 603-381-xxxx, 603-382-xxxx, 603-383-xxxx, 603-384-xxxx, 603-385-xxxx, 603-386-xxxx, 603-387-xxxx, 603-388-xxxx, 603-389-xxxx, 603-391-xxxx, 603-392-xxxx, 603-393-xxxx, 603-394-xxxx, 603-396-xxxx, 603-397-xxxx, 603-398-xxxx, 603-399-xxxx, 603-401-xxxx, 603-410-xxxx, 603-412-xxxx, 603-413-xxxx, 603-414-xxxx, 603-415-xxxx, 603-418-xxxx, 603-419-xxxx, 603-420-xxxx, 603-421-xxxx, 603-422-xxxx, 603-423-xxxx, 603-424-xxxx, 603-425-xxxx, 603-426-xxxx, 603-427-xxxx, 603-428-xxxx, 603-429-xxxx, 603-430-xxxx, 603-431-xxxx, 603-432-xxxx, 603-433-xxxx, 603-434-xxxx, 603-435-xxxx, 603-436-xxxx, 603-437-xxxx, 603-438-xxxx, 603-439-xxxx, 603-440-xxxx, 603-441-xxxx, 603-442-xxxx, 603-443-xxxx, 603-444-xxxx, 603-445-xxxx, 603-446-xxxx, 603-447-xxxx, 603-448-xxxx, 603-449-xxxx, 603-451-xxxx, 603-452-xxxx, 603-453-xxxx, 603-454-xxxx, 603-455-xxxx, 603-456-xxxx, 603-457-xxxx, 603-458-xxxx, 603-459-xxxx, 603-461-xxxx, 603-462-xxxx, 603-463-xxxx, 603-464-xxxx, 603-465-xxxx, 603-466-xxxx, 603-467-xxxx, 603-468-xxxx, 603-469-xxxx, 603-470-xxxx, 603-471-xxxx, 603-472-xxxx, 603-473-xxxx, 603-474-xxxx, 603-475-xxxx, 603-476-xxxx, 603-477-xxxx, 603-478-xxxx, 603-479-xxxx, 603-480-xxxx, 603-481-xxxx, 603-482-xxxx, 603-483-xxxx, 603-484-xxxx, 603-485-xxxx, 603-486-xxxx, 603-487-xxxx, 603-488-xxxx, 603-489-xxxx, 603-490-xxxx, 603-491-xxxx, 603-492-xxxx, 603-493-xxxx, 603-494-xxxx, 603-495-xxxx, 603-496-xxxx, 603-497-xxxx, 603-498-xxxx, 603-499-xxxx, 603-501-xxxx, 603-502-xxxx, 603-504-xxxx, 603-505-xxxx, 603-506-xxxx, 603-507-xxxx, 603-508-xxxx, 603-509-xxxx, 603-512-xxxx, 603-513-xxxx, 603-514-xxxx, 603-515-xxxx, 603-516-xxxx, 603-517-xxxx, 603-518-xxxx, 603-520-xxxx, 603-521-xxxx, 603-522-xxxx, 603-523-xxxx, 603-524-xxxx, 603-525-xxxx, 603-526-xxxx, 603-527-xxxx, 603-528-xxxx, 603-529-xxxx, 603-530-xxxx, 603-531-xxxx, 603-532-xxxx, 603-533-xxxx, 603-534-xxxx, 603-535-xxxx, 603-536-xxxx, 603-537-xxxx, 603-538-xxxx, 603-539-xxxx, 603-540-xxxx, 603-541-xxxx, 603-542-xxxx, 603-543-xxxx, 603-544-xxxx, 603-545-xxxx, 603-546-xxxx, 603-547-xxxx, 603-548-xxxx, 603-549-xxxx, 603-551-xxxx, 603-552-xxxx, 603-553-xxxx, 603-554-xxxx, 603-555-xxxx, 603-556-xxxx, 603-557-xxxx, 603-558-xxxx, 603-559-xxxx, 603-560-xxxx, 603-561-xxxx, 603-562-xxxx, 603-563-xxxx, 603-564-xxxx, 603-565-xxxx, 603-566-xxxx, 603-567-xxxx, 603-568-xxxx, 603-569-xxxx, 603-571-xxxx, 603-572-xxxx, 603-573-xxxx, 603-574-xxxx, 603-576-xxxx, 603-577-xxxx, 603-578-xxxx, 603-579-xxxx, 603-580-xxxx, 603-581-xxxx, 603-582-xxxx, 603-583-xxxx, 603-584-xxxx, 603-585-xxxx, 603-586-xxxx, 603-588-xxxx, 603-589-xxxx, 603-590-xxxx, 603-591-xxxx, 603-592-xxxx, 603-593-xxxx, 603-594-xxxx, 603-595-xxxx, 603-596-xxxx, 603-598-xxxx, 603-599-xxxx, 603-601-xxxx, 603-606-xxxx, 603-608-xxxx, 603-609-xxxx, 603-610-xxxx, 603-612-xxxx, 603-614-xxxx, 603-615-xxxx, 603-616-xxxx, 603-617-xxxx, 603-618-xxxx, 603-619-xxxx, 603-620-xxxx, 603-621-xxxx, 603-622-xxxx, 603-623-xxxx, 603-624-xxxx, 603-625-xxxx, 603-626-xxxx, 603-627-xxxx, 603-628-xxxx, 603-629-xxxx, 603-630-xxxx, 603-631-xxxx, 603-632-xxxx, 603-633-xxxx, 603-634-xxxx, 603-635-xxxx, 603-636-xxxx, 603-638-xxxx, 603-639-xxxx, 603-640-xxxx, 603-641-xxxx, 603-642-xxxx, 603-643-xxxx, 603-644-xxxx, 603-645-xxxx, 603-646-xxxx, 603-647-xxxx, 603-648-xxxx, 603-649-xxxx, 603-650-xxxx, 603-651-xxxx, 603-652-xxxx, 603-653-xxxx, 603-654-xxxx, 603-655-xxxx, 603-656-xxxx, 603-657-xxxx, 603-658-xxxx, 603-660-xxxx, 603-661-xxxx, 603-662-xxxx, 603-663-xxxx, 603-664-xxxx, 603-665-xxxx, 603-666-xxxx, 603-667-xxxx, 603-668-xxxx, 603-669-xxxx, 603-670-xxxx, 603-671-xxxx, 603-672-xxxx, 603-673-xxxx, 603-674-xxxx, 603-675-xxxx, 603-676-xxxx, 603-677-xxxx, 603-678-xxxx, 603-679-xxxx, 603-680-xxxx, 603-681-xxxx, 603-682-xxxx, 603-683-xxxx, 603-684-xxxx, 603-685-xxxx, 603-686-xxxx, 603-687-xxxx, 603-688-xxxx, 603-689-xxxx, 603-690-xxxx, 603-691-xxxx, 603-692-xxxx, 603-693-xxxx, 603-694-xxxx, 603-695-xxxx, 603-696-xxxx, 603-697-xxxx, 603-698-xxxx, 603-699-xxxx, 603-702-xxxx, 603-703-xxxx, 603-706-xxxx, 603-707-xxxx, 603-708-xxxx, 603-709-xxxx, 603-710-xxxx, 603-712-xxxx, 603-714-xxxx, 603-715-xxxx, 603-716-xxxx, 603-717-xxxx, 603-718-xxxx, 603-719-xxxx, 603-720-xxxx, 603-721-xxxx, 603-723-xxxx, 603-724-xxxx, 603-725-xxxx, 603-726-xxxx, 603-727-xxxx, 603-728-xxxx, 603-729-xxxx, 603-730-xxxx, 603-731-xxxx, 603-732-xxxx, 603-733-xxxx, 603-734-xxxx, 603-735-xxxx, 603-736-xxxx, 603-737-xxxx, 603-738-xxxx, 603-740-xxxx, 603-741-xxxx, 603-742-xxxx, 603-743-xxxx, 603-744-xxxx, 603-745-xxxx, 603-746-xxxx, 603-747-xxxx, 603-748-xxxx, 603-749-xxxx, 603-750-xxxx, 603-751-xxxx, 603-752-xxxx, 603-753-xxxx, 603-754-xxxx, 603-755-xxxx, 603-756-xxxx, 603-757-xxxx, 603-758-xxxx, 603-759-xxxx, 603-760-xxxx, 603-761-xxxx, 603-762-xxxx, 603-763-xxxx, 603-764-xxxx, 603-765-xxxx, 603-766-xxxx, 603-767-xxxx, 603-768-xxxx, 603-769-xxxx, 603-770-xxxx, 603-771-xxxx, 603-772-xxxx, 603-773-xxxx, 603-774-xxxx, 603-775-xxxx, 603-776-xxxx, 603-777-xxxx, 603-778-xxxx, 603-779-xxxx, 603-780-xxxx, 603-781-xxxx, 603-782-xxxx, 603-783-xxxx, 603-785-xxxx, 603-786-xxxx, 603-787-xxxx, 603-788-xxxx, 603-789-xxxx, 603-790-xxxx, 603-791-xxxx, 603-792-xxxx, 603-793-xxxx, 603-794-xxxx, 603-795-xxxx, 603-796-xxxx, 603-798-xxxx, 603-799-xxxx, 603-801-xxxx, 603-804-xxxx, 603-805-xxxx, 603-806-xxxx, 603-807-xxxx, 603-809-xxxx, 603-812-xxxx, 603-815-xxxx, 603-816-xxxx, 603-817-xxxx, 603-818-xxxx, 603-819-xxxx, 603-821-xxxx, 603-822-xxxx, 603-823-xxxx, 603-825-xxxx, 603-826-xxxx, 603-827-xxxx, 603-828-xxxx, 603-829-xxxx, 603-831-xxxx, 603-832-xxxx, 603-833-xxxx, 603-834-xxxx, 603-835-xxxx, 603-836-xxxx, 603-837-xxxx, 603-838-xxxx, 603-839-xxxx, 603-841-xxxx, 603-842-xxxx, 603-843-xxxx, 603-845-xxxx, 603-846-xxxx, 603-847-xxxx, 603-848-xxxx, 603-849-xxxx, 603-851-xxxx, 603-852-xxxx, 603-853-xxxx, 603-854-xxxx, 603-856-xxxx, 603-858-xxxx, 603-859-xxxx, 603-860-xxxx, 603-862-xxxx, 603-863-xxxx, 603-864-xxxx, 603-865-xxxx, 603-866-xxxx, 603-867-xxxx, 603-868-xxxx, 603-869-xxxx, 603-870-xxxx, 603-871-xxxx, 603-873-xxxx, 603-874-xxxx, 603-875-xxxx, 603-876-xxxx, 603-878-xxxx, 603-879-xxxx, 603-880-xxxx, 603-881-xxxx, 603-882-xxxx, 603-883-xxxx, 603-884-xxxx, 603-885-xxxx, 603-886-xxxx, 603-887-xxxx, 603-888-xxxx, 603-889-xxxx, 603-890-xxxx, 603-891-xxxx, 603-892-xxxx, 603-893-xxxx, 603-894-xxxx, 603-895-xxxx, 603-896-xxxx, 603-897-xxxx, 603-898-xxxx, 603-899-xxxx, 603-903-xxxx, 603-904-xxxx, 603-905-xxxx, 603-907-xxxx, 603-908-xxxx, 603-909-xxxx, 603-910-xxxx, 603-912-xxxx, 603-913-xxxx, 603-915-xxxx, 603-917-xxxx, 603-918-xxxx, 603-921-xxxx, 603-922-xxxx, 603-923-xxxx, 603-924-xxxx, 603-925-xxxx, 603-926-xxxx, 603-927-xxxx, 603-928-xxxx, 603-929-xxxx, 603-930-xxxx, 603-933-xxxx, 603-934-xxxx, 603-935-xxxx, 603-937-xxxx, 603-938-xxxx, 603-939-xxxx, 603-941-xxxx, 603-942-xxxx, 603-943-xxxx, 603-944-xxxx, 603-945-xxxx, 603-947-xxxx, 603-949-xxxx, 603-951-xxxx, 603-952-xxxx, 603-953-xxxx, 603-954-xxxx, 603-957-xxxx, 603-962-xxxx, 603-963-xxxx, 603-964-xxxx, 603-965-xxxx, 603-966-xxxx, 603-967-xxxx, 603-968-xxxx, 603-969-xxxx, 603-970-xxxx, 603-971-xxxx, 603-973-xxxx, 603-974-xxxx, 603-978-xxxx, 603-986-xxxx, 603-988-xxxx, 603-989-xxxx, 603-991-xxxx, 603-992-xxxx, 603-994-xxxx, 603-995-xxxx, 603-996-xxxx, 603-997-xxxx, 603-998-xxxx
Number of telephone companies43 telephone companies servicing the 603 area code
List of telephone companiesNEW CINGULAR WIRELESS PCS, LLC - DC, OMNIPOINT MIAMI E LICENSE, LLC, UNITED STATES CELLULAR CORP. - NEW HAMPSHIRE, BELL ATLANTIC NYNEX MOBILE, PAETEC COMMUNICATIONS, INC. - NH, COMCAST PHONE OF NEW HAMPSHIRE, LLC - NH, TELEPORT COMMUNICATIONS OF BOSTON, INC. - NH, NO NEW ENGLAND TEL OP DBA FAIRPOINT COMM - NH, FREEDOM RING COMMUNICATIONS, LLC, NEXTEL COMMUNICATIONS, INC., CTC COMMUNICATIONS - NH, RNK, INC., LEVEL 3 COMMUNICATIONS - NH, BROADVIEW NETWORKS, INC. - NH, SPRINT SPECTRUM L.P. - NH, LIGHTSHIP TELECOM, LLC, LIGHTSHIP TELECOM, LLC - NH, GLOBAL NAPS, INC. - NH, DIXVILLE TELEPHONE CO., AT&T LOCAL, UNION TELEPHONE CO. - NH, BROOKS FIBER COMMUNICATIONS OF NEW HAMPSHIRE - NH, BRETTON WOODS TELEPHONE CO., CHOICE ONE COMMUNICATIONS OF NEW HAMPSHIRE, INC., NATIONAL MOBILE COMMUNICATIONS CORPORATION - VT, CTC COMMUNICATIONS - MA, CONVERSENT COMMUNICATIONS OF NEW HAMPSHIRE, LLC, MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY, SPRINT SPECTRUM L.P., MERRIMACK COUNTY TELEPHONE CO., IDT AMERICA CORP - NH, HOLLIS TELEPHONE COMPANY, INC., KEARSARGE TELEPHONE CO., GRANITE STATE TELEPHONE, INC., RURAL CELLULAR CORPORATION, VERIZON NEW ENGLAND INC., WILTON TELEPHONE CO., NORTHLAND TELEPHONE OF MAINE, INC., OTEL TELEKOM, INC. - NH, CRC COMMUNICATIONS OF MAINE, INC. - NH, DUNBARTON TELEPHONE COMPANY, DSCI CORPORATION - NH, NEUTRAL TANDEM-NEW HAMPSHIRE, LLC - NH

603 Area Code Map

 
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