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
603-200 Rockingham Newmarket, NH Comcast Phone Of New Hampshire
603-203 Hillsborough Manchester, NH New Cingular Wireless PCS - DC
603-204 Hillsborough Nashua, NH United States Cellular Corp. - New Hampshire
603-205 Rockingham Portsmouth, NH Omnipoint Miami E License
603-206 Hillsborough Manchester, NH Paetec Communications
603-208 Grafton Lyme, NH United States Cellular Corp. - New Hampshire
603-209 Cheshire Keene, NH United States Cellular Corp. - New Hampshire
603-210 Hillsborough Manchester, NH Comcast Phone Of New Hampshire
603-212 Rockingham Salem, NH No New England Tel Op DBA Fairpoint Comm
603-213 Rockingham Derry, NH Comcast Phone Of New Hampshire
603-214 Coos Errol, NH Freedom Ring Communications
603-215 Coos Berlin, NH Freedom Ring Communications
603-216 Hillsborough Manchester, NH Comcast Phone Of New Hampshire
603-217 Grafton Bristol, NH Bell Atlantic Nynex Mobile
603-218 Hillsborough Manchester, NH Broadview Networks
603-219 Merrimack Concord, NH Sprint Spectrum L.p.
603-221 Hillsborough Nashua, NH No New England Tel Op DBA Fairpoint Comm
603-222 Hillsborough Manchester, NH No New England Tel Op DBA Fairpoint Comm
603-223 Merrimack Concord, NH No New England Tel Op DBA Fairpoint Comm
603-224 Merrimack Concord, NH No New England Tel Op DBA Fairpoint Comm
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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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