Phone Prefix
(510) 397-XXXX
CA • HAYWARD
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
HAYWARD
Assigned To
COMCAST IP PHONE, LLC
OCN
318J
Status
AS
Date Assigned
Aug 28, 2008
Number Range
First Number
(510) 397-0000
Last Number
(510) 397-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
41 reports
41
Total FCC + FTC DNC complaints for numbers in this prefix
Top 37 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (510) 397-8697 5103978697 | 4 |
| 2 | (510) 397-7931 5103977931 | 2 |
| 3 | (510) 397-3104 5103973104 | 1 |
| 4 | (510) 397-3144 5103973144 | 1 |
| 5 | (510) 397-3147 5103973147 | 1 |
| 6 | (510) 397-3151 5103973151 | 1 |
| 7 | (510) 397-3639 5103973639 | 1 |
| 8 | (510) 397-3730 5103973730 | 1 |
| 9 | (510) 397-3734 5103973734 | 1 |
| 10 | (510) 397-3735 5103973735 | 1 |
| 11 | (510) 397-4181 5103974181 | 1 |
| 12 | (510) 397-4529 5103974529 | 1 |
| 13 | (510) 397-4779 5103974779 | 1 |
| 14 | (510) 397-4808 5103974808 | 1 |
| 15 | (510) 397-5086 5103975086 | 1 |
| 16 | (510) 397-5325 5103975325 | 1 |
| 17 | (510) 397-5329 5103975329 | 1 |
| 18 | (510) 397-5342 5103975342 | 1 |
| 19 | (510) 397-5439 5103975439 | 1 |
| 20 | (510) 397-5832 5103975832 | 1 |
| 21 | (510) 397-6110 5103976110 | 1 |
| 22 | (510) 397-6321 5103976321 | 1 |
| 23 | (510) 397-7228 5103977228 | 1 |
| 24 | (510) 397-7245 5103977245 | 1 |
| 25 | (510) 397-7909 5103977909 | 1 |
| 26 | (510) 397-7971 5103977971 | 1 |
| 27 | (510) 397-7990 5103977990 | 1 |
| 28 | (510) 397-8692 5103978692 | 1 |
| 29 | (510) 397-8938 5103978938 | 1 |
| 30 | (510) 397-9024 5103979024 | 1 |
| 31 | (510) 397-9157 5103979157 | 1 |
| 32 | (510) 397-9345 5103979345 | 1 |
| 33 | (510) 397-9627 5103979627 | 1 |
| 34 | (510) 397-9689 5103979689 | 1 |
| 35 | (510) 397-2697 5103972697 | 1 |
| 36 | (510) 397-9874 5103979874 | 1 |
| 37 | (510) 397-3046 5103973046 | 1 |
About This Prefix
Phone numbers starting with (510) 397 are part of the North American Numbering Plan (NANP). The first three digits (510) represent the Area Code (NPA), and the next three digits (397) represent the Central Office Code (NXX) or exchange.
- NPA (510) - Numbering Plan Area, identifies the geographic region
- NXX (397) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)