510-402-4020

Call 510-402-4020 Text 510-402-4020
North American Phone Intelligence

Search a phone number, area code, exchange, or short code

Paste raw digits, a formatted phone number, an area code, an NPA-NXX block, or a short code. US and Canada phone lookups route automatically, and international iMessage checks are available separately.

Phone Summary

Phone page summary

Server-rendered context for this exact phone page based on public records, reports, search interest, and routing data already stored on phone.gd.

510-402-4020 currently has limited public identity data on phone.gd. The page still provides exact-number routing, carrier, and line-type context even when named business or complaint evidence is light.

Carrier or assignee data points to LEVEL 3 COMMUNICATIONS, LLC - CA and the rate center is FRNK MAIN (FREMONT-NEWARK:MAIN DA, CA).

Carrier: LEVEL 3 COMMUNICATIONS, LLC - CA
Phone Facts

Exact-number facts and routing context

The rows below combine cached caller-intelligence data, NANPA assignment records, public business matches, and phone.gd lookup context.

LabelValue
Input Number510-402-4020
Phone Number+15104024020
National Format(510) 402-4020
Country CodeUS
Caller Name
QUARK PHARMACEUTICALS INC
Caller Type
Carrier NameLEVEL 3 COMMUNICATIONS, LLC - CA
Phone Type
Apple iMessage StatusNot Registered
Raw Number5104024020
Basic Format510-402-4020
NPA (Area Code)510
NXX402
Rate CenterFRNK MAIN
LocationFREMONT-NEWARK:MAIN DA, CA
OCN (Carrier Number)8826
Call TypeUnknown Type
Number AssignmentAssigned
Search
Matched Listings

Public business matches for this exact number

These stored listings match the exact phone number, which helps reinforce any named caller identity shown above.

SourceNameDetail
SEC company registrationQUARK PHARMACEUTICALS INCPharmaceutical Preparations · 6501 DUMBARTON CIRCLE FREMONT CA 94555 US
SEC Records

SEC company registrations using this phone

These public EDGAR submission profiles list this exact phone number for a registered company.

CompanyIdentifiersIndustryBusiness Address
QUARK PHARMACEUTICALS INCCIK 0000920189Pharmaceutical Preparations6501 DUMBARTON CIRCLE FREMONT CA 94555 US

Detailed Call Routing Data

stateCA
ocn981E
companyBANDWIDTH.COM CLEC, LLC - CA
rate_centerFRNK MAIN
LocationFREMONT-NEWARK:MAIN DA, CA
use_typeAS
pooled_codeY
in_serviceYes
regionWC
stateCA
statusAS
rate_centerFRNK MAIN
LocationFREMONT-NEWARK:MAIN DA, CA
block_effective_date07/24/2001
assigned_toLEVEL 3 COMMUNICATIONS, LLC - CA
ocn8826
date_assigned07/04/2001
regionWC
stateCA
statusAS
rate_centerFRNK MAIN
LocationFREMONT-NEWARK:MAIN DA, CA
block_effective_date07/24/2001
assigned_toLEVEL 3 COMMUNICATIONS, LLC - CA
ocn8826
date_assigned07/04/2001
Anonymous Community Reports

Submit an anonymous report

Choose the report type that best matches this number, then optionally add a short note about what happened. Your city and state may be shown publicly, but your IP address is not displayed on the page.

Anonymous Public city/state only
What best describes this number?
Keep it short. Do not include personal addresses, account numbers, passwords, or other private information.

No report type selected yet.

Latest community reports for 510-402-4020

No Reports for this number.

Stylized Number Format

Bold𝟓𝟏𝟎-𝟒𝟎𝟐-𝟒𝟎𝟐𝟎 [click to copy]
Full-Width510-402-4020 [click to copy]
Superscript⁵¹⁰-⁴⁰²-⁴⁰²⁰ [click to copy]
Subscript₅₁₀-₄₀₂-₄₀₂₀ [click to copy]
Enclosed Alphanumerics⑤①⓪-④⓪②-④⓪②⓪ [click to copy]
Mathematical Bold𝟱𝟭𝟬-𝟰𝟬𝟮-𝟰𝟬𝟮𝟬 [click to copy]
Mathematical Italic𝟧𝟣𝟢-𝟦𝟢𝟤-𝟦𝟢𝟤𝟢 [click to copy]
Mathematical Sans-Serif𝟻𝟷𝟶-𝟺𝟶𝟸-𝟺𝟶𝟸𝟶 [click to copy]
Emoji5️⃣1️⃣0️⃣-4️⃣0️⃣2️⃣-4️⃣0️⃣2️⃣0️⃣ [click to copy]
Spelled Out five one zero - four zero two - four zero two zero [click to copy]

Using these number formats when publishing your phone number online can help reduce spam calls/texts by making it harder for scammers to copy your number

Take It A Step Further

Report a spam or fraud caller

Answer a few quick questions and this page will point you to the right official complaint flow, plus carrier-specific reporting options where available.

FCC FTC Carrier follow-up

Step 1

What happened?

Choose the option that best matches this phone number.

Step 2

How did it reach you?

The FCC and carrier advice changes slightly for calls versus texts.

Step 3

Did they ask for money or sensitive information?

This helps decide whether the FTC should be part of the next step.

Step 4

Which carrier do you use?

Carrier tools help get the number flagged or blocked inside that network.



This number is commonly searched by others. This may indicate they call many people.

Neighboring Numbers (Commonly Searched): 510-402-4010 | 510-402-4020 | 510-402-4023 | 510-402-4024 | 510-402-4050 | 510-402-4062