Phone Prefix
(603) 405-XXXX
NH • SOMERSWTH
Search Number in This Prefix
Enter the last 4 digits to search for a specific number
Carrier Information
NANPA
State
NH
Region
NE
Rate Center
SOMERSWTH
Assigned To
IDT AMERICA, CORP. - NH
OCN
314C
Status
AS
Date Assigned
Nov 24, 2020
Number Range
First Number
(603) 405-0000
Last Number
(603) 405-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
3 reports
3
Total FCC + FTC DNC complaints for numbers in this prefix
Top 3 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (603) 405-0649 6034050649 | 1 |
| 2 | (603) 405-2939 6034052939 | 1 |
| 3 | (603) 405-8472 6034058472 | 1 |
About This Prefix
Phone numbers starting with (603) 405 are part of the North American Numbering Plan (NANP). The first three digits (603) represent the Area Code (NPA), and the next three digits (405) represent the Central Office Code (NXX) or exchange.
- NPA (603) - Numbering Plan Area, identifies the geographic region
- NXX (405) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)