Phone Prefix
(603) 521-XXXX
NH • NASHUA
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Carrier Information
NANPA
State
NH
Region
NE
Rate Center
NASHUA
Assigned To
NEW CINGULAR WIRELESS PCS, LLC - DC
OCN
4036
Status
AS
Date Assigned
Aug 15, 2006
Number Range
First Number
(603) 521-0000
Last Number
(603) 521-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
18 reports
18
Total FCC + FTC DNC complaints for numbers in this prefix
Top 11 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (603) 521-3400 6035213400 | 7 |
| 2 | (603) 521-1205 6035211205 | 1 |
| 3 | (603) 521-3089 6035213089 | 1 |
| 4 | (603) 521-5076 6035215076 | 1 |
| 5 | (603) 521-5305 6035215305 | 1 |
| 6 | (603) 521-7529 6035217529 | 1 |
| 7 | (603) 521-8378 6035218378 | 1 |
| 8 | (603) 521-8394 6035218394 | 1 |
| 9 | (603) 521-8876 6035218876 | 1 |
| 10 | (603) 521-1035 6035211035 | 1 |
| 11 | (603) 521-8999 6035218999 | 1 |
About This Prefix
Phone numbers starting with (603) 521 are part of the North American Numbering Plan (NANP). The first three digits (603) represent the Area Code (NPA), and the next three digits (521) represent the Central Office Code (NXX) or exchange.
- NPA (603) - Numbering Plan Area, identifies the geographic region
- NXX (521) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)