Phone Prefix
(603) 570-XXXX
NH • PORTSMOUTH
Search Number in This Prefix
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Carrier Information
NANPA
State
NH
Region
NE
Rate Center
PORTSMOUTH
Assigned To
TELEPORT COMMUNICATIONS AMERICA, LLC - NH
OCN
8299
Status
AS
Date Assigned
Dec 18, 2013
Number Range
First Number
(603) 570-0000
Last Number
(603) 570-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
85 reports
85
Total FCC + FTC DNC complaints for numbers in this prefix
Top 26 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (603) 570-4474 6035704474 | 13 |
| 2 | (603) 570-9018 6035709018 | 8 |
| 3 | (603) 570-4415 6035704415 | 8 |
| 4 | (603) 570-9020 6035709020 | 8 |
| 5 | (603) 570-9077 6035709077 | 7 |
| 6 | (603) 570-9016 6035709016 | 7 |
| 7 | (603) 570-9019 6035709019 | 4 |
| 8 | (603) 570-4414 6035704414 | 4 |
| 9 | (603) 570-4413 6035704413 | 3 |
| 10 | (603) 570-4784 6035704784 | 2 |
| 11 | (603) 570-6041 6035706041 | 2 |
| 12 | (603) 570-9015 6035709015 | 2 |
| 13 | (603) 570-4327 6035704327 | 2 |
| 14 | (603) 570-4871 6035704871 | 2 |
| 15 | (603) 570-9873 6035709873 | 1 |
| 16 | (603) 570-1683 6035701683 | 1 |
| 17 | (603) 570-3711 6035703711 | 1 |
| 18 | (603) 570-3722 6035703722 | 1 |
| 19 | (603) 570-4302 6035704302 | 1 |
| 20 | (603) 570-4338 6035704338 | 1 |
| 21 | (603) 570-4341 6035704341 | 1 |
| 22 | (603) 570-4499 6035704499 | 1 |
| 23 | (603) 570-5004 6035705004 | 1 |
| 24 | (603) 570-6775 6035706775 | 1 |
| 25 | (603) 570-9386 6035709386 | 1 |
| 26 | (603) 570-1246 6035701246 | 1 |
About This Prefix
Phone numbers starting with (603) 570 are part of the North American Numbering Plan (NANP). The first three digits (603) represent the Area Code (NPA), and the next three digits (570) represent the Central Office Code (NXX) or exchange.
- NPA (603) - Numbering Plan Area, identifies the geographic region
- NXX (570) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)