Phone Prefix
(508) 603-XXXX
MA • UPTON
Search Number in This Prefix
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Carrier Information
NANPA
State
MA
Region
NE
Rate Center
UPTON
Assigned To
LEVEL 3 COMMUNICATIONS, LLC - MA
OCN
4018
Status
AS
Date Assigned
Aug 23, 2006
Number Range
First Number
(508) 603-0000
Last Number
(508) 603-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
47 reports
47
Total FCC + FTC DNC complaints for numbers in this prefix
Top 43 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (508) 603-7045 5086037045 | 3 |
| 2 | (508) 603-1577 5086031577 | 2 |
| 3 | (508) 603-4193 5086034193 | 2 |
| 4 | (508) 603-1757 5086031757 | 1 |
| 5 | (508) 603-2781 5086032781 | 1 |
| 6 | (508) 603-4269 5086034269 | 1 |
| 7 | (508) 603-4270 5086034270 | 1 |
| 8 | (508) 603-4271 5086034271 | 1 |
| 9 | (508) 603-4370 5086034370 | 1 |
| 10 | (508) 603-4390 5086034390 | 1 |
| 11 | (508) 603-4423 5086034423 | 1 |
| 12 | (508) 603-4466 5086034466 | 1 |
| 13 | (508) 603-4471 5086034471 | 1 |
| 14 | (508) 603-4616 5086034616 | 1 |
| 15 | (508) 603-4682 5086034682 | 1 |
| 16 | (508) 603-4691 5086034691 | 1 |
| 17 | (508) 603-4699 5086034699 | 1 |
| 18 | (508) 603-4809 5086034809 | 1 |
| 19 | (508) 603-4812 5086034812 | 1 |
| 20 | (508) 603-4819 5086034819 | 1 |
| 21 | (508) 603-4840 5086034840 | 1 |
| 22 | (508) 603-4851 5086034851 | 1 |
| 23 | (508) 603-4876 5086034876 | 1 |
| 24 | (508) 603-4905 5086034905 | 1 |
| 25 | (508) 603-4913 5086034913 | 1 |
| 26 | (508) 603-4924 5086034924 | 1 |
| 27 | (508) 603-4941 5086034941 | 1 |
| 28 | (508) 603-5023 5086035023 | 1 |
| 29 | (508) 603-5484 5086035484 | 1 |
| 30 | (508) 603-6024 5086036024 | 1 |
| 31 | (508) 603-7401 5086037401 | 1 |
| 32 | (508) 603-7549 5086037549 | 1 |
| 33 | (508) 603-8736 5086038736 | 1 |
| 34 | (508) 603-8886 5086038886 | 1 |
| 35 | (508) 603-9047 5086039047 | 1 |
| 36 | (508) 603-9142 5086039142 | 1 |
| 37 | (508) 603-9277 5086039277 | 1 |
| 38 | (508) 603-9324 5086039324 | 1 |
| 39 | (508) 603-9568 5086039568 | 1 |
| 40 | (508) 603-0658 5086030658 | 1 |
| 41 | (508) 603-9870 5086039870 | 1 |
| 42 | (508) 603-1027 5086031027 | 1 |
| 43 | (508) 603-1604 5086031604 | 1 |
About This Prefix
Phone numbers starting with (508) 603 are part of the North American Numbering Plan (NANP). The first three digits (508) represent the Area Code (NPA), and the next three digits (603) represent the Central Office Code (NXX) or exchange.
- NPA (508) - Numbering Plan Area, identifies the geographic region
- NXX (603) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)