Area code 603 covers part of New Hampshirestate, covering most of Hillsborough, Rockingham, Grafton, Merrimack, Belknap counties. It was started on Jan 01, 2000. This region follows US/Eastern + Daylight Savings timezone. Other popular area codes that belong to New Hampshire state include .
Date Changed | Change Details |
Jun 01, 2014 | Area code 603-293 was introduced on Apr 23, 2013 and subscribers are operational from Jun 01, 2014. |
May 25, 2014 | Area code 603-242 was introduced on Sep 25, 2002 and subscribers are operational from May 25, 2014. |
May 25, 2014 | Area code 603-270 was introduced on Mar 13, 2001 and subscribers are operational from May 25, 2014. |
May 25, 2014 | Area code 603-292 was introduced on Jul 16, 2001 and subscribers are operational from May 25, 2014. |
May 25, 2014 | Area code 603-265 was introduced on Oct 20, 2004 and subscribers are operational from May 25, 2014. |
May 25, 2014 | Area code 603-249 was introduced on Mar 13, 2001 and subscribers are operational from May 25, 2014. |
Area Code | City | County | Population | Network Operator |
603-200-3 | Manchester | Rockingham | 295,223 | Brooks Fiber Communications of New Hampshire - NH |
603-200-0 | Manchester | Rockingham | 295,223 | Comcast Phone of New Hampshire LLC - NH |
603-200-6 | Manchester | Rockingham | 295,223 | Teleport Communications America LLC - NH |
603-201 | 711,203 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH | ||
603-202 | 144,204 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH | ||
603-203-0 | Derry | Hillsborough | 400,721 | New Cingular Wireless PCS LLC - DC |
603-203-7 | Manchester | Hillsborough | 400,721 | Omnipoint Miami E License LLC |
603-204-3 | Derry | Hillsborough | 400,721 | New Cingular Wireless PCS LLC - DC |
603-204-4 | Hooksett | Hillsborough | 400,721 | Bell Atlantic NYNEX Mobile |
603-204-5 | Manchester | Hillsborough | 400,721 | Comcast Phone of New Hampshire LLC - NH |
603-204-2 | Manchester | Hillsborough | 400,721 | Paetec Communications Inc - NH |
603-204-0 | Merrimack | Hillsborough | 400,721 | United States Cellular - NH |
603-205-0 | Manchester | Rockingham | 295,223 | Omnipoint Miami E License LLC |
603-205-8 | Manchester | Rockingham | 295,223 | Paetec Communications Inc - NH |
603-206-5 | Manchester | Hillsborough | 400,721 | Comcast Phone of New Hampshire LLC - NH |
603-206-0 | Manchester | Hillsborough | 400,721 | Paetec Communications Inc - NH |
603-208-2 | Manchester | Grafton | 89,118 | Paetec Communications Inc - NH |
603-208-0 | Merrimack | Grafton | 89,118 | United States Cellular - NH |
603-209 | Merrimack | Cheshire | 77,117 | United States Cellular - NH |
603-210-4 | Manchester | Merrimack | 146,445 | Bandwidth.com CLEC LLC - NH |
603-210-0 | Manchester | Merrimack | 146,445 | Comcast Phone of New Hampshire LLC - NH |
603-210-0 | Manchester | Merrimack | 146,445 | Otel Telekom Inc - NH |
603-210-6 | Manchester | Merrimack | 146,445 | Teleport Communications America LLC - NH |
603-211 | 724,213 | Community Support And Referral Services | ||
603-212-5 | Manchester | Rockingham | 295,223 | DSCI Corporation - NH |
603-212-9 | Portsmouth | Rockingham | 295,223 | Freedom Ring Communications LLC |
603-212-0 | Salem | Rockingham | 295,223 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-213-1 | Hooksett | Hillsborough | 400,721 | Bell Atlantic NYNEX Mobile |
603-213-0 | Manchester | Hillsborough | 400,721 | Comcast Phone of New Hampshire LLC - NH |
603-214-0 | Portsmouth | Coos | 33,055 | Freedom Ring Communications LLC |
603-215-5 | Manchester | Coos | 33,055 | Brooks Fiber Communications of New Hampshire - NH |
603-215-6 | Manchester | Coos | 33,055 | Time Warner Cable Information Services (New Hampshire) LLC dba Time Warner Cable - NH |
603-215-0 | Portsmouth | Coos | 33,055 | Freedom Ring Communications LLC |
603-216-9 | Manchester | Rockingham | 295,223 | Choice One Communications of New Hampshire Inc |
603-216-0 | Manchester | Rockingham | 295,223 | Comcast Phone of New Hampshire LLC - NH |
603-216-8 | Manchester | Rockingham | 295,223 | CTC Communications Corporation - NH |
603-216-3 | Manchester | Rockingham | 295,223 | Paetec Communications Inc - NH |
603-216-6 | Nashua | Rockingham | 295,223 | Conversent Communications of New Hampshire LLC |
603-216-7 | Portsmouth | Rockingham | 295,223 | Sprint Spectrum LP |
603-217-0 | Hooksett | Grafton | 89,118 | Bell Atlantic NYNEX Mobile |
603-217-6 | Manchester | Grafton | 89,118 | CRC Communications of Maine Inc - NH |
603-217-3 | Manchester | Grafton | 89,118 | CTC Communications Corporation - NH |
603-217-5 | Manchester | Grafton | 89,118 | Level 3 Communications LLC - NH |
603-217-4 | Manchester | Grafton | 89,118 | Otel Telekom Inc - NH |
603-217-8 | Manchester | Grafton | 89,118 | Teleport Communications America LLC - NH |
603-217-9 | Manchester | Grafton | 89,118 | Time Warner Cable Information Services (New Hampshire) LLC dba Time Warner Cable - NH |
603-217-0 | Rochester | Grafton | 89,118 | IDT America Corporation - NH |
603-218-9 | Derry | Hillsborough | 400,721 | New Cingular Wireless PCS LLC - DC |
603-218-3 | Manchester | Hillsborough | 400,721 | Comcast Phone of New Hampshire LLC - NH |
603-218-0 | Salem | Hillsborough | 400,721 | Broadview Networks Inc - NH |
603-219-0 | Manchester | Merrimack | 146,445 | Comcast Phone of New Hampshire LLC - NH |
603-219-0 | Manchester | Merrimack | 146,445 | Sprint Spectrum LP |
603-220 | 544,222 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH | ||
603-221 | Nashua | Hillsborough | 400,721 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-222 | Manchester | Hillsborough | 400,721 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-223-0 | Concord | Merrimack | 146,445 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-224 | Concord | Merrimack | 146,445 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-225 | Concord | Merrimack | 146,445 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-226 | Concord | Merrimack | 146,445 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-227-0 | Concord | Merrimack | 146,445 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-227-6 | Manchester | Merrimack | 146,445 | Comcast Phone of New Hampshire LLC - NH |
603-228 | Concord | Merrimack | 146,445 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-229-0 | Concord | Merrimack | 146,445 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-229-2 | Derry | Merrimack | 146,445 | New Cingular Wireless PCS LLC - DC |
603-229-7 | Merrimack | Merrimack | 146,445 | United States Cellular - NH |
603-230-0 | Concord | Merrimack | 146,445 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-230-2 | Manchester | Merrimack | 146,445 | Paetec Communications Inc - NH |
603-231 | Portsmouth | Rockingham | 295,223 | Sprint Spectrum LP |
603-232-0 | Manchester | Hillsborough | 400,721 | Comcast Phone of New Hampshire LLC - NH |
603-232-9 | Manchester | Hillsborough | 400,721 | Paetec Communications Inc - NH |
603-233-7 | Derry | Hillsborough | 400,721 | New Cingular Wireless PCS LLC - DC |
603-233-0 | Manchester | Hillsborough | 400,721 | Omnipoint Miami E License LLC |
603-234 | Portsmouth | Rockingham | 295,223 | Sprint Spectrum LP |
603-235 | Portsmouth | Rockingham | 295,223 | Sprint Spectrum LP |
603-236-9 | Hooksett | Grafton | 89,118 | Bell Atlantic NYNEX Mobile |
603-236-5 | Manchester | Grafton | 89,118 | CTC Communications Corporation - NH |
603-236-7 | Manchester | Grafton | 89,118 | Level 3 Communications LLC - NH |
603-236-0 | Manchester | Grafton | 89,118 | Otel Telekom Inc - NH |
603-236-0 | Waterville Valley | Grafton | 89,118 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-237-0 | Colebrook | Coos | 33,055 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-237-7 | Manchester | Coos | 33,055 | CTC Communications Corporation - NH |
603-237-1 | Manchester | Coos | 33,055 | Level 3 Communications LLC - NH |
603-238-7 | Derry | Grafton | 89,118 | New Cingular Wireless PCS LLC - DC |
603-238-3 | Manchester | Grafton | 89,118 | CRC Communications of Maine Inc - NH |
603-238-5 | Manchester | Grafton | 89,118 | Otel Telekom Inc - NH |
603-238-0 | Manchester | Grafton | 89,118 | Paetec Communications Inc - NH |
603-238-8 | Manchester | Grafton | 89,118 | Sprint Spectrum LP |
603-238-9 | Manchester | Grafton | 89,118 | Time Warner Cable Information Services (New Hampshire) LLC dba Time Warner Cable - NH |
603-238-0 | Rochester | Grafton | 89,118 | IDT America Corporation - NH |
603-239-2 | Manchester | Cheshire | 77,117 | Bandwidth.com CLEC LLC - NH |
603-239-5 | Manchester | Cheshire | 77,117 | CRC Communications of Maine Inc - NH |
603-239-3 | Manchester | Cheshire | 77,117 | Level 3 Communications LLC - NH |
603-239-0 | Manchester | Cheshire | 77,117 | Lightship Telecom LLC - NH |
603-239-1 | Manchester | Cheshire | 77,117 | Paetec Communications Inc - NH |
603-239-0 | Winchester | Cheshire | 77,117 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-240 | Manchester | Hillsborough | 400,721 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-241 | Manchester | Hillsborough | 400,721 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-242-2 | Manchester | Cheshire | 77,117 | Level 3 Communications LLC - NH |
603-242-0 | Manchester | Cheshire | 77,117 | Lightship Telecom LLC |
603-242-0 | Troy | Cheshire | 77,117 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-243-0 | Manchester | Grafton | 89,118 | Charter Fiberlink NH - CCO - LLC - NH |
603-244-9 | Hooksett | Rockingham | 295,223 | Bell Atlantic NYNEX Mobile |
603-244-4 | Manchester | Rockingham | 295,223 | Otel Telekom Inc - NH |
603-245 | Portsmouth | Rockingham | 295,223 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-246-5 | Manchester | Coos | 33,055 | Level 3 Communications LLC - NH |
603-246-0 | West Stewartstown | Coos | 33,055 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-247-0 | Derry | Rockingham | 295,223 | New Cingular Wireless PCS LLC - DC |
603-248 | Dover | Strafford | 123,143 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-249-6 | Hooksett | Hillsborough | 400,721 | Bell Atlantic NYNEX Mobile |
603-249-2 | Manchester | Hillsborough | 400,721 | CTC Communications Corporation - NH |
603-249-0 | Milford | Hillsborough | 400,721 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-250-5 | Manchester | Belknap | 60,088 | CTC Communications Corporation - NH |
603-250-8 | Rochester | Belknap | 60,088 | IDT America Corporation - NH |
603-251-0 | Manchester | Sullivan | 43,742 | Paetec Communications Inc - NH |
603-252 | Merrimack | Grafton | 89,118 | United States Cellular - NH |
603-253-0 | Center Harbor | Belknap | 60,088 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-253-2 | Manchester | Belknap | 60,088 | RNK Inc |
603-254-0 | Derry | Grafton | 89,118 | New Cingular Wireless PCS LLC - DC |
603-255 | Dixville Notch | Coos | 33,055 | Dixville Telephone Company |
603-256-0 | Brattleboro | Cheshire | 77,117 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-256-7 | Portsmouth | Cheshire | 77,117 | Freedom Ring Communications LLC |
603-257-5 | Manchester | Rockingham | 295,223 | Paetec Communications Inc - NH |
603-259-8 | Hooksett | Grafton | 89,118 | Bell Atlantic NYNEX Mobile |
603-259-0 | Manchester | Grafton | 89,118 | Level 3 Communications LLC - NH |
603-260-0 | Hooksett | Rockingham | 295,223 | Bell Atlantic NYNEX Mobile |
603-261-3 | Manchester | Hillsborough | 400,721 | Comcast Phone of New Hampshire LLC - NH |
603-261-1 | Manchester | Hillsborough | 400,721 | MetroPCS Inc |
603-262-5 | Manchester | Hillsborough | 400,721 | Comcast Phone of New Hampshire LLC - NH |
603-262-2 | Manchester | Hillsborough | 400,721 | Lightship Telecom LLC - NH |
603-262-0 | Merrimack | Hillsborough | 400,721 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-263-0 | Manchester | Hillsborough | 400,721 | Brooks Fiber Communications of New Hampshire - NH |
603-264-0 | Manchester | Hillsborough | 400,721 | Omnipoint Miami E License LLC |
603-265-8 | Manchester | Hillsborough | 400,721 | Lightship Telecom LLC - NH |
603-266-5 | Manchester | Belknap | 60,088 | Brooks Fiber Communications of New Hampshire - NH |
603-267-0 | Belmont | Belknap | 60,088 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-267-3 | Manchester | Belknap | 60,088 | CTC Communications Corporation - NH |
603-268-1 | Hooksett | Merrimack | 146,445 | Bell Atlantic NYNEX Mobile |
603-269 | Center Barnstead | Belknap | 60,088 | Union Telephone Company - NH |
603-270-0 | Manchester | Merrimack | 146,445 | Brooks Fiber Communications of New Hampshire - NH |
603-271 | Concord | Merrimack | 146,445 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-272-0 | Bradford | Grafton | 89,118 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-273-8 | Hooksett | Belknap | 60,088 | Bell Atlantic NYNEX Mobile |
603-273-4 | Manchester | Belknap | 60,088 | Otel Telekom Inc - NH |
603-274-0 | Manchester | Rockingham | 295,223 | Brooks Fiber Communications of New Hampshire - NH |
603-275-0 | Manchester | Rockingham | 295,223 | Omnipoint Miami E License LLC |
603-276-0 | Hooksett | Grafton | 89,118 | Bell Atlantic NYNEX Mobile |
603-276-7 | Manchester | Grafton | 89,118 | National Mobile Communications Corporation - VT |
603-277-1 | Derry | Grafton | 89,118 | New Cingular Wireless PCS LLC - DC |
603-278 | Bretton Woods | Coos | 33,055 | Bretton Woods Telephone Company |
603-279 | Meredith | Belknap | 60,088 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-280-0 | Manchester | Strafford | 123,143 | Level 3 Communications LLC - NH |
603-281 | Nashua | Hillsborough | 400,721 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-282-0 | Manchester | Grafton | 89,118 | Brooks Fiber Communications of New Hampshire - NH |
603-283-8 | Derry | Cheshire | 77,117 | New Cingular Wireless PCS LLC - DC |
603-283-0 | Manchester | Cheshire | 77,117 | Choice One Communications of New Hampshire Inc |
603-283-0 | Manchester | Cheshire | 77,117 | Paetec Communications Inc - NH |
603-284-0 | Center Sandwich | Carroll | 47,818 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-285-5 | Derry | Strafford | 123,143 | New Cingular Wireless PCS LLC - DC |
603-285-0 | Manchester | Strafford | 123,143 | Lightship Telecom LLC - NH |
603-286-0 | Derry | Belknap | 60,088 | New Cingular Wireless PCS LLC - DC |
603-287-2 | Manchester | Sullivan | 43,742 | AT&T Local |
603-287-0 | Manchester | Sullivan | 43,742 | Level 3 Communications LLC - NH |
603-289 | Derry | Hillsborough | 400,721 | New Cingular Wireless PCS LLC - DC |
603-290-4 | Derry | Merrimack | 146,445 | New Cingular Wireless PCS LLC - DC |
603-290-5 | Manchester | Merrimack | 146,445 | Level 3 Communications LLC - NH |
603-291-3 | Manchester | Hillsborough | 400,721 | Brooks Fiber Communications of New Hampshire - NH |
603-292-7 | Dover | Rockingham | 295,223 | CTC Communications Corporation - NH |
603-292-9 | Manchester | Rockingham | 295,223 | Lightship Telecom LLC - NH |
603-292-1 | Portsmouth | Rockingham | 295,223 | Freedom Ring Communications LLC |
603-293-0 | Glendale | Belknap | 60,088 | Northern New England Telephone Operations LLC dba FairPoint Comm - NH |
603-294-0 | Manchester | Rockingham | 295,223 | Comcast Phone of New Hampshire LLC - NH |
603-294-0 | Manchester | Rockingham | 295,223 | Level 3 Communications LLC - NH |
603-294-5 | Manchester | Rockingham | 295,223 | Paetec Communications Inc - NH |
603-295 | Manchester | Strafford | 123,143 | Paetec Communications Inc - NH |
603-296-7 | Hooksett | Hillsborough | 400,721 | Bell Atlantic NYNEX Mobile |
603-297-0 | Portsmouth | Carroll | 47,818 | Freedom Ring Communications LLC |
603-298-1 | Manchester | Grafton | 89,118 | AT&T Local |
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