Phone

Area Code 603

Area Code 603 information.
Area Code 603 Details
Country United States
State/Province New Hampshire
Major City Manchester
Time Zone Eastern (UTC-05:00)

Area Code 603 Prefixes

Prefix County Phone Type Status
603-423 Hillsborough Landline Active
603-424 Hillsborough Landline Active
603-425 Rockingham Landline Active
603-426 Rockingham Cell Number Active
603-427 Rockingham Landline Active
603-428 Merrimack Landline Active
603-429 Hillsborough Landline Active
603-430 Rockingham Landline Active
603-431 Rockingham Landline Active
603-432 Rockingham Landline Active
603-433 Rockingham Landline Active
603-434 Rockingham Landline Active
603-435 Merrimack Landline Active
603-436 Rockingham Landline Active
603-437 Rockingham Landline Active
603-438 Hillsborough Cell Number Active
603-439 Cheshire Landline Active
603-440 Hillsborough Landline Active
603-442 Grafton Landline Active
603-443 Grafton Landline Active
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