Phone Prefix
(603) 550-XXXX
NH • DOVER
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
DOVER
Assigned To
NEW CINGULAR WIRELESS PCS, LLC - DC
OCN
4036
Status
AS
Date Assigned
Dec 09, 2021
Number Range
First Number
(603) 550-0000
Last Number
(603) 550-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
65 reports
65
Total FCC + FTC DNC complaints for numbers in this prefix
Top 61 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (603) 550-8931 6035508931 | 2 |
| 2 | (603) 550-8947 6035508947 | 2 |
| 3 | (603) 550-7272 6035507272 | 2 |
| 4 | (603) 550-5634 6035505634 | 1 |
| 5 | (603) 550-5764 6035505764 | 1 |
| 6 | (603) 550-7391 6035507391 | 1 |
| 7 | (603) 550-7399 6035507399 | 1 |
| 8 | (603) 550-7711 6035507711 | 1 |
| 9 | (603) 550-7723 6035507723 | 1 |
| 10 | (603) 550-7865 6035507865 | 1 |
| 11 | (603) 550-7867 6035507867 | 1 |
| 12 | (603) 550-7946 6035507946 | 1 |
| 13 | (603) 550-8046 6035508046 | 1 |
| 14 | (603) 550-8150 6035508150 | 1 |
| 15 | (603) 550-8185 6035508185 | 1 |
| 16 | (603) 550-8211 6035508211 | 1 |
| 17 | (603) 550-8219 6035508219 | 1 |
| 18 | (603) 550-8301 6035508301 | 1 |
| 19 | (603) 550-8327 6035508327 | 1 |
| 20 | (603) 550-8389 6035508389 | 1 |
| 21 | (603) 550-8440 6035508440 | 1 |
| 22 | (603) 550-8442 6035508442 | 1 |
| 23 | (603) 550-8479 6035508479 | 1 |
| 24 | (603) 550-8481 6035508481 | 1 |
| 25 | (603) 550-8496 6035508496 | 1 |
| 26 | (603) 550-8507 6035508507 | 1 |
| 27 | (603) 550-8513 6035508513 | 1 |
| 28 | (603) 550-8531 6035508531 | 1 |
| 29 | (603) 550-8533 6035508533 | 1 |
| 30 | (603) 550-8546 6035508546 | 1 |
| 31 | (603) 550-8603 6035508603 | 1 |
| 32 | (603) 550-8629 6035508629 | 1 |
| 33 | (603) 550-8640 6035508640 | 1 |
| 34 | (603) 550-8650 6035508650 | 1 |
| 35 | (603) 550-8669 6035508669 | 1 |
| 36 | (603) 550-8672 6035508672 | 1 |
| 37 | (603) 550-8674 6035508674 | 1 |
| 38 | (603) 550-8677 6035508677 | 1 |
| 39 | (603) 550-8705 6035508705 | 1 |
| 40 | (603) 550-8708 6035508708 | 1 |
| 41 | (603) 550-8759 6035508759 | 1 |
| 42 | (603) 550-8794 6035508794 | 1 |
| 43 | (603) 550-8796 6035508796 | 1 |
| 44 | (603) 550-8815 6035508815 | 1 |
| 45 | (603) 550-8829 6035508829 | 1 |
| 46 | (603) 550-8842 6035508842 | 1 |
| 47 | (603) 550-8848 6035508848 | 1 |
| 48 | (603) 550-8866 6035508866 | 1 |
| 49 | (603) 550-8873 6035508873 | 1 |
| 50 | (603) 550-8882 6035508882 | 1 |
| 51 | (603) 550-8885 6035508885 | 1 |
| 52 | (603) 550-8886 6035508886 | 1 |
| 53 | (603) 550-8902 6035508902 | 1 |
| 54 | (603) 550-8930 6035508930 | 1 |
| 55 | (603) 550-8982 6035508982 | 1 |
| 56 | (603) 550-8993 6035508993 | 1 |
| 57 | (603) 550-9686 6035509686 | 1 |
| 58 | (603) 550-5019 6035505019 | 1 |
| 59 | (603) 550-9825 6035509825 | 1 |
| 60 | (603) 550-5247 6035505247 | 1 |
| 61 | (603) 550-5378 6035505378 | 1 |
About This Prefix
Phone numbers starting with (603) 550 are part of the North American Numbering Plan (NANP). The first three digits (603) represent the Area Code (NPA), and the next three digits (550) represent the Central Office Code (NXX) or exchange.
- NPA (603) - Numbering Plan Area, identifies the geographic region
- NXX (550) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)