USA Phone Code Guide
USA Phone
Code Guide

Phone prefix +1 (603) 728-XXXX

Phone prefix: +1603728
This prefix is distributed within the state New Hampshire
The largest city within this prefix is N Woodstock, NH
District: Grafton
The largest organization: Level 3 Communications
Phone numbers of the state New Hampshire
Time Zone: Eastern
Winter time: UTC-5
Summer time: UTC-4
The largest city within the prefix of +1 (603) 728-XXXX numbers is shown below N Woodstock, NH.