Phone Prefix
(603) 423-XXXX
NH • MERRIMACK
Search Number in This Prefix
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Carrier Information
NANPA
State
NH
Region
NE
Rate Center
MERRIMACK
Assigned To
CONSOLIDATED COMM OF NO. NEW ENGLAND-NH
OCN
5113
Status
RT
Number Range
First Number
(603) 423-0000
Last Number
(603) 423-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
34 reports
34
Total FCC + FTC DNC complaints for numbers in this prefix
Top 32 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (603) 423-7252 6034237252 | 2 |
| 2 | (603) 423-7392 6034237392 | 2 |
| 3 | (603) 423-5789 6034235789 | 1 |
| 4 | (603) 423-6089 6034236089 | 1 |
| 5 | (603) 423-7131 6034237131 | 1 |
| 6 | (603) 423-7184 6034237184 | 1 |
| 7 | (603) 423-7186 6034237186 | 1 |
| 8 | (603) 423-7187 6034237187 | 1 |
| 9 | (603) 423-7247 6034237247 | 1 |
| 10 | (603) 423-7249 6034237249 | 1 |
| 11 | (603) 423-7256 6034237256 | 1 |
| 12 | (603) 423-7258 6034237258 | 1 |
| 13 | (603) 423-7261 6034237261 | 1 |
| 14 | (603) 423-7263 6034237263 | 1 |
| 15 | (603) 423-7297 6034237297 | 1 |
| 16 | (603) 423-7306 6034237306 | 1 |
| 17 | (603) 423-7309 6034237309 | 1 |
| 18 | (603) 423-7315 6034237315 | 1 |
| 19 | (603) 423-7317 6034237317 | 1 |
| 20 | (603) 423-7318 6034237318 | 1 |
| 21 | (603) 423-7326 6034237326 | 1 |
| 22 | (603) 423-7327 6034237327 | 1 |
| 23 | (603) 423-7339 6034237339 | 1 |
| 24 | (603) 423-7371 6034237371 | 1 |
| 25 | (603) 423-7393 6034237393 | 1 |
| 26 | (603) 423-7406 6034237406 | 1 |
| 27 | (603) 423-7410 6034237410 | 1 |
| 28 | (603) 423-7423 6034237423 | 1 |
| 29 | (603) 423-7471 6034237471 | 1 |
| 30 | (603) 423-0778 6034230778 | 1 |
| 31 | (603) 423-7980 6034237980 | 1 |
| 32 | (603) 423-5005 6034235005 | 1 |
About This Prefix
Phone numbers starting with (603) 423 are part of the North American Numbering Plan (NANP). The first three digits (603) represent the Area Code (NPA), and the next three digits (423) represent the Central Office Code (NXX) or exchange.
- NPA (603) - Numbering Plan Area, identifies the geographic region
- NXX (423) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)