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Area Code 603

603 is the North American Telephone Area Code For New Hampshire in United States.
District of New Hampshire area codes: 603
Country United States
State/Province New Hampshire
Major City Manchester
Time Zone Eastern (UTC-05:00)

Phone directory with area code 603

Prefix County Primary City Company
603-225 Merrimack Concord, NH No New England Tel Op DBA Fairpoint Comm
603-226 Merrimack Concord, NH No New England Tel Op DBA Fairpoint Comm
603-227 Merrimack Concord, NH No New England Tel Op DBA Fairpoint Comm
603-228 Merrimack Concord, NH No New England Tel Op DBA Fairpoint Comm
603-229 Merrimack Concord, NH No New England Tel Op DBA Fairpoint Comm
603-230 Merrimack Concord, NH No New England Tel Op DBA Fairpoint Comm
603-231 Rockingham Derry, NH Sprint Spectrum L.p.
603-232 Hillsborough Manchester, NH Comcast Phone Of New Hampshire
603-233 Hillsborough Nashua, NH Omnipoint Miami E License
603-234 Rockingham Derry, NH Sprint Spectrum L.p.
603-235 Rockingham Derry, NH Sprint Spectrum L.p.
603-236 Carroll Wonalancet, NH No New England Tel Op DBA Fairpoint Comm
603-237 Coos Colebrook, NH No New England Tel Op DBA Fairpoint Comm
603-238 Grafton Plymouth, NH Paetec Communications
603-239 Cheshire Winchester, NH No New England Tel Op DBA Fairpoint Comm
603-240 Hillsborough Manchester, NH No New England Tel Op DBA Fairpoint Comm
603-241 Hillsborough Manchester, NH No New England Tel Op DBA Fairpoint Comm
603-242 Cheshire Troy, NH No New England Tel Op DBA Fairpoint Comm
603-243 Grafton Woodsville, NH Charter Fiberlink
603-244 Hillsborough Manchester, NH Comcast Phone Of New Hampshire
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There are 691 prefixes, In the code area, the major cities are Concord, NH;Derry, NH;Dover, NH;Keene, NH;Manchest. The major city is Manchester.

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