Phone Prefix
(301) 631-XXXX
MD • FREDERICK
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
FREDERICK
Assigned To
VERIZON MARYLAND, INC.
OCN
9212
Status
RT
Number Range
First Number
(301) 631-0000
Last Number
(301) 631-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
4 reports
4
Total FCC + FTC DNC complaints for numbers in this prefix
Top 4 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (301) 631-1314 3016311314 | 1 |
| 2 | (301) 631-1600 3016311600 | 1 |
| 3 | (301) 631-5303 3016315303 | 1 |
| 4 | (301) 631-9257 3016319257 | 1 |
About This Prefix
Phone numbers starting with (301) 631 are part of the North American Numbering Plan (NANP). The first three digits (301) represent the Area Code (NPA), and the next three digits (631) represent the Central Office Code (NXX) or exchange.
- NPA (301) - Numbering Plan Area, identifies the geographic region
- NXX (631) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)