Area Code 603 - New Hampshire
Every 603 prefix with its city and carrier. Got a specific number? Search it here.
Area code 603 serves New Hampshire (Eastern time zone) with 752 assigned prefixes. Major rate centers include Manchester, Nashua, Concord, Derry, Dover, Portsmouth, Merrimack, Salem. Received a call from a 603 number? Type the full number into the search box above to see its city, carrier, and community reports.
Prefixes in area code 603
| Prefix | City | State | Carrier |
|---|---|---|---|
| 603-200 | Newmarket | NH | COMCAST IP PHONE, LLC |
| 603-202 | Concord | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-203 | Manchester | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-204 | Nashua | NH | UNITED STATES CELLULAR - NH |
| 603-205 | Portsmouth | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-206 | Manchester | NH | PAETEC ITEL, LLC |
| 603-207 | Derry | NH | ONVOY, LLC - NH |
| 603-208 | Lyme | NH | UNITED STATES CELLULAR - NH |
| 603-209 | Keene | NH | UNITED STATES CELLULAR - NH |
| 603-210 | Suncook | NH | COMCAST IP PHONE, LLC |
| 603-212 | Salem | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-213 | Milford | NH | COMCAST IP PHONE, LLC |
| 603-214 | Errol | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-215 | Berlin | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-216 | Derry | NH | COMCAST IP PHONE, LLC |
| 603-217 | Bristol | NH | BELL ATLANTIC MOBILE, INC |
| 603-218 | Manchester | NH | PAETEC ITEL, LLC |
| 603-219 | Concord | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-221 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-222 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-223 | Concord | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-224 | Concord | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-225 | Concord | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-226 | Concord | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-227 | Concord | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-228 | Concord | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-229 | Concord | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-230 | Concord | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-231 | Derry | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-232 | Manchester | NH | COMCAST IP PHONE, LLC |
| 603-233 | Nashua | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-234 | Derry | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-235 | Derry | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-236 | Campton | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-237 | Colebrook | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-238 | Plymouth | NH | PAETEC ITEL, LLC |
| 603-239 | Winchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-240 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-241 | Dover | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-242 | Troy | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-243 | Woodsville | NH | CHARTER IP ENABLED SERVICES, LLC |
| 603-244 | Raymond | NH | COMCAST IP PHONE, LLC |
| 603-245 | Portsmouth | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-246 | West Stewartstown | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-247 | Derry | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-248 | Dover | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-249 | Milford | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-250 | Center Harbor | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-251 | Charlestown | NH | PAETEC ITEL, LLC |
| 603-252 | West Lebanon | NH | UNITED STATES CELLULAR - NH |
| 603-253 | Center Harbor | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-254 | Plymouth | NH | UNITED STATES CELLULAR - NH |
| 603-255 | Manchester | NH | CSC WIRELESS, LLC |
| 603-256 | West Chesterfield | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-257 | Plaistow | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-258 | Hollis | NH | METROPCS, INC. |
| 603-259 | Littleton | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-260 | Derry | NH | COMCAST IP PHONE, LLC |
| 603-261 | Merrimack | NH | UNITED STATES CELLULAR - NH |
| 603-262 | Merrimack | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-263 | Manchester | NH | PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH |
| 603-264 | Manchester | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-265 | New Boston | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-266 | Tilton | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-267 | Belmont | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-268 | Suncook | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-269 | Center Barnstead | NH | UNION TEL. CO. |
| 603-270 | Suncook | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-271 | Concord | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-272 | Piermont | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-273 | Laconia | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-274 | South Hampton | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-275 | Derry | NH | OMNIPOINT MIAMI E LICENSE, LLC |
| 603-276 | West Lebanon | NH | BELL ATLANTIC MOBILE, INC |
| 603-277 | Hanover | NH | COMCAST IP PHONE, LLC |
| 603-278 | Bretton Woods | NH | BRETTON WOODS TEL. CO. |
| 603-279 | Meredith | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-280 | Barrington | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-281 | Nashua | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-282 | Canaan | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-283 | Keene | NH | PAETEC ITEL, LLC |
| 603-284 | Center Sandwich | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-285 | Dover | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-286 | Tilton | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-287 | Claremont | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-288 | Nashua | NH | VONAGE AMERICA LLC |
| 603-289 | Manchester | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-290 | Concord | NH | UNITED STATES CELLULAR - NH |
| 603-291 | Greenville | NH | COMCAST IP PHONE, LLC |
| 603-292 | Newmarket | NH | COMCAST IP PHONE, LLC |
| 603-293 | Laconia | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-294 | Portsmouth | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-295 | Durham | NH | PAETEC ITEL, LLC |
| 603-296 | Manchester | NH | PAETEC ITEL, LLC |
| 603-297 | Center Ossipee | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-298 | West Lebanon | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-299 | Bartlett | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-300 | Chester | NH | METROPCS, INC. |
| 603-301 | Center Ossipee | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-302 | Manchester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-303 | Raymond | NH | BELL ATLANTIC MOBILE, INC |
| 603-304 | Enfield | NH | UNITED STATES CELLULAR - NH |
| 603-305 | Nashua | NH | BELL ATLANTIC MOBILE, INC |
| 603-306 | Lebanon | NH | FREEDOM RING COMMUNICATIONS, LLC |
| 603-307 | North Conway | NH | BELL ATLANTIC MOBILE, INC |
| 603-308 | Hanover | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-309 | Newport | NH | BELL ATLANTIC MOBILE, INC |
| 603-310 | Bedford | NH | PAETEC ITEL, LLC |
| 603-312 | Dover | NH | BELL ATLANTIC MOBILE, INC |
| 603-313 | Keene | NH | UNITED STATES CELLULAR - NH |
| 603-314 | Manchester | NH | PAETEC ITEL, LLC |
| 603-315 | Manchester | NH | BELL ATLANTIC MOBILE, INC |
| 603-316 | Milford | NH | BELL ATLANTIC MOBILE, INC |
| 603-317 | Milan | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-318 | Nashua | NH | BELL ATLANTIC MOBILE, INC |
| 603-319 | Portsmouth | NH | PAETEC ITEL, LLC |
| 603-320 | Nashua | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-321 | Nashua | NH | BELL ATLANTIC MOBILE, INC |
| 603-322 | West Lebanon | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-323 | Tamworth | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-324 | Nashua | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 603-325 | New Boston | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-326 | Berlin | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-327 | Salem | NH | PAETEC ITEL, LLC |
| 603-328 | Salem | NH | PAETEC ITEL, LLC |
| 603-329 | Hampstead | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-330 | Rochester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-331 | Colebrook | NH | LEVEL 3 COMMUNICATIONS, LLC - NH |
| 603-332 | Rochester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-333 | Concord | NH | PEERLESS NETWORK OF NEW HAMPSHIRE, LLC - NH |
| 603-334 | Portsmouth | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-335 | Rochester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-336 | Hinsdale | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-337 | Rochester | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-338 | Keene | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-339 | Derry | NH | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 603-340 | Suncook | NH | BELL ATLANTIC MOBILE, INC |
| 603-341 | Merrimack | NH | UNITED STATES CELLULAR - NH |
| 603-342 | Berlin | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-343 | Dover | NH | COMCAST IP PHONE, LLC |
| 603-344 | Suncook | NH | UNITED STATES CELLULAR - NH |
| 603-345 | Merrimack | NH | UNITED STATES CELLULAR - NH |
| 603-346 | Plymouth | NH | HD CARRIER LLC |
| 603-347 | Kingston | NH | COMCAST IP PHONE, LLC |
| 603-348 | North Woodstock | NH | UNITED STATES CELLULAR - NH |
| 603-349 | West Lebanon | NH | UNITED STATES CELLULAR - NH |
| 603-350 | Milton | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-351 | Goffstown | NH | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH |
| 603-352 | Keene | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
| 603-353 | Orford | NH | CONSOLIDATED COMM OF NO. NEW ENGLAND-NH |
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