Phone Prefix
(603) 428-XXXX
NH • HENNIKER
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Carrier Information
NANPA
State
NH
Region
NE
Rate Center
HENNIKER
Assigned To
MERRIMACK CO. TELEPHONE CO., DBA CONTOOCOOK VALLEY
OCN
3320
Status
RT
Number Range
First Number
(603) 428-0000
Last Number
(603) 428-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
5 reports
5
Total FCC + FTC DNC complaints for numbers in this prefix
Top 5 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (603) 428-3016 6034283016 | 1 |
| 2 | (603) 428-3238 6034283238 | 1 |
| 3 | (603) 428-3464 6034283464 | 1 |
| 4 | (603) 428-7041 6034287041 | 1 |
| 5 | (603) 428-7158 6034287158 | 1 |
About This Prefix
Phone numbers starting with (603) 428 are part of the North American Numbering Plan (NANP). The first three digits (603) represent the Area Code (NPA), and the next three digits (428) represent the Central Office Code (NXX) or exchange.
- NPA (603) - Numbering Plan Area, identifies the geographic region
- NXX (428) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)