Area Code Information
| Area Code: | 603 |
| State: | New Hampshire |
| Primary City: | Manchester, New Hampshire |
| Time Zone: | Eastern |
Area code 603 serves the Manchester, New Hampshire region in New Hampshire. This area code is in the Eastern time zone.
Browse Prefixes
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603-200
603-201
603-202
603-203
603-204
603-205
603-206
603-207
603-208
603-209
603-210
603-211
603-212
603-213
603-214
603-215
603-216
603-217
603-218
603-219
603-220
603-221
603-222
603-223
603-224
603-225
603-226
603-227
603-228
603-229
Showing sample prefixes. All prefixes from 200-999 are available.