Area Code 603
New Hampshire (NH) • Manchester, Nashua, Rochester, Concord, Acworth, Alstead, Alton, Alton Bay • Eastern Time (ET)
What Stands Out
- •Coverage: 1.4M people across 245 ZIP codes.
- •Major cities: Manchester, Nashua, Rochester.
Spotlight: Coverage
Snapshot highlights for area code 603.
Income
84th
Home values
81st
Poverty rate
32nd
Area Code Basics
Basics (area code benchmarks)
This area codeState medianUS area code median
Est. population
1.4M • state median 1.4M • US area code median 1.5M
ZIP codes
245 • state median 245 • US area code median 124
Avg. household size
2.5 • state median 2.5 • US area code median 2.5