Phone Prefix
(603) 978-XXXX
NH • DOVER
Search Number in This Prefix
Enter the last 4 digits to search for a specific number
Carrier Information
NANPA
State
NH
Region
NE
Rate Center
DOVER
Assigned To
NEW CINGULAR WIRELESS PCS, LLC - DC
OCN
4036
Status
RT
Number Range
First Number
(603) 978-0000
Last Number
(603) 978-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
4 reports
4
Total FCC + FTC DNC complaints for numbers in this prefix
Top 3 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (603) 978-0397 6039780397 | 1 |
| 2 | (603) 978-2135 6039782135 | 1 |
| 3 | (603) 978-5844 6039785844 | 1 |
About This Prefix
Phone numbers starting with (603) 978 are part of the North American Numbering Plan (NANP). The first three digits (603) represent the Area Code (NPA), and the next three digits (978) represent the Central Office Code (NXX) or exchange.
- NPA (603) - Numbering Plan Area, identifies the geographic region
- NXX (978) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)