Phone prefix +1 (603) 948-XXXX
Phone prefix: +1603948
This prefix is distributed within the state New Hampshire
The largest city within this prefix is Rochester, NH
District: Not defined
The largest organization: Idt America Corp
Time Zone: Eastern
Winter time: UTC-5
Summer time: UTC-4
The largest city within the prefix of +1 (603) 948-XXXX numbers is shown below
Rochester, NH.