Area Code/County,Count
603  New Hampshire,14348
Belknap New Hampshire,1056
Carroll New Hampshire,1369
Cheshire New Hampshire,1274
Coos New Hampshire,313
Grafton New Hampshire,1442
Hillsborough New Hampshire,6284
Merrimack New Hampshire,2439
"No Zip Code Reported, New Hampshire",123
Rockingham New Hampshire,5206
Strafford New Hampshire,1698
Sullivan New Hampshire,849