Phone Prefix
(408) 503-XXXX
CA • SNJS NORTH
Search Number in This Prefix
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
SNJS NORTH
Assigned To
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
OCN
7229
Status
AS
Date Assigned
Oct 23, 2006
Number Range
First Number
(408) 503-0000
Last Number
(408) 503-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
90 reports
90
Total FCC + FTC DNC complaints for numbers in this prefix
Top 79 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (408) 503-3372 4085033372 | 3 |
| 2 | (408) 503-3465 4085033465 | 3 |
| 3 | (408) 503-3607 4085033607 | 2 |
| 4 | (408) 503-3552 4085033552 | 2 |
| 5 | (408) 503-3341 4085033341 | 2 |
| 6 | (408) 503-6880 4085036880 | 2 |
| 7 | (408) 503-3423 4085033423 | 2 |
| 8 | (408) 503-3384 4085033384 | 2 |
| 9 | (408) 503-3463 4085033463 | 2 |
| 10 | (408) 503-3272 4085033272 | 1 |
| 11 | (408) 503-3277 4085033277 | 1 |
| 12 | (408) 503-3282 4085033282 | 1 |
| 13 | (408) 503-3285 4085033285 | 1 |
| 14 | (408) 503-3302 4085033302 | 1 |
| 15 | (408) 503-3307 4085033307 | 1 |
| 16 | (408) 503-3309 4085033309 | 1 |
| 17 | (408) 503-3315 4085033315 | 1 |
| 18 | (408) 503-3342 4085033342 | 1 |
| 19 | (408) 503-3360 4085033360 | 1 |
| 20 | (408) 503-3363 4085033363 | 1 |
| 21 | (408) 503-3379 4085033379 | 1 |
| 22 | (408) 503-3380 4085033380 | 1 |
| 23 | (408) 503-3386 4085033386 | 1 |
| 24 | (408) 503-3396 4085033396 | 1 |
| 25 | (408) 503-3403 4085033403 | 1 |
| 26 | (408) 503-3407 4085033407 | 1 |
| 27 | (408) 503-3409 4085033409 | 1 |
| 28 | (408) 503-3416 4085033416 | 1 |
| 29 | (408) 503-3429 4085033429 | 1 |
| 30 | (408) 503-3437 4085033437 | 1 |
| 31 | (408) 503-3438 4085033438 | 1 |
| 32 | (408) 503-3450 4085033450 | 1 |
| 33 | (408) 503-3473 4085033473 | 1 |
| 34 | (408) 503-3487 4085033487 | 1 |
| 35 | (408) 503-3505 4085033505 | 1 |
| 36 | (408) 503-3508 4085033508 | 1 |
| 37 | (408) 503-3514 4085033514 | 1 |
| 38 | (408) 503-3515 4085033515 | 1 |
| 39 | (408) 503-3518 4085033518 | 1 |
| 40 | (408) 503-3526 4085033526 | 1 |
| 41 | (408) 503-3528 4085033528 | 1 |
| 42 | (408) 503-3537 4085033537 | 1 |
| 43 | (408) 503-3543 4085033543 | 1 |
| 44 | (408) 503-3565 4085033565 | 1 |
| 45 | (408) 503-3570 4085033570 | 1 |
| 46 | (408) 503-3573 4085033573 | 1 |
| 47 | (408) 503-3580 4085033580 | 1 |
| 48 | (408) 503-3583 4085033583 | 1 |
| 49 | (408) 503-3596 4085033596 | 1 |
| 50 | (408) 503-3625 4085033625 | 1 |
| 51 | (408) 503-3645 4085033645 | 1 |
| 52 | (408) 503-3647 4085033647 | 1 |
| 53 | (408) 503-3684 4085033684 | 1 |
| 54 | (408) 503-3687 4085033687 | 1 |
| 55 | (408) 503-3700 4085033700 | 1 |
| 56 | (408) 503-3732 4085033732 | 1 |
| 57 | (408) 503-3741 4085033741 | 1 |
| 58 | (408) 503-3749 4085033749 | 1 |
| 59 | (408) 503-3758 4085033758 | 1 |
| 60 | (408) 503-3909 4085033909 | 1 |
| 61 | (408) 503-3917 4085033917 | 1 |
| 62 | (408) 503-3924 4085033924 | 1 |
| 63 | (408) 503-3989 4085033989 | 1 |
| 64 | (408) 503-3993 4085033993 | 1 |
| 65 | (408) 503-4081 4085034081 | 1 |
| 66 | (408) 503-6035 4085036035 | 1 |
| 67 | (408) 503-6221 4085036221 | 1 |
| 68 | (408) 503-6426 4085036426 | 1 |
| 69 | (408) 503-6923 4085036923 | 1 |
| 70 | (408) 503-0853 4085030853 | 1 |
| 71 | (408) 503-9034 4085039034 | 1 |
| 72 | (408) 503-1600 4085031600 | 1 |
| 73 | (408) 503-2964 4085032964 | 1 |
| 74 | (408) 503-3123 4085033123 | 1 |
| 75 | (408) 503-3230 4085033230 | 1 |
| 76 | (408) 503-3239 4085033239 | 1 |
| 77 | (408) 503-3255 4085033255 | 1 |
| 78 | (408) 503-3263 4085033263 | 1 |
| 79 | (408) 503-3269 4085033269 | 1 |
About This Prefix
Phone numbers starting with (408) 503 are part of the North American Numbering Plan (NANP). The first three digits (408) represent the Area Code (NPA), and the next three digits (503) represent the Central Office Code (NXX) or exchange.
- NPA (408) - Numbering Plan Area, identifies the geographic region
- NXX (503) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)