phone.gd North American phone lookup, short codes, caller signals, and complaint-driven research.

510-899-8800

Call 510-899-8800 Text 510-899-8800
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.

Examples: 206-739-5800, 206, 206-739, 48369
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.

510-899-8800 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 U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS and the rate center is OKLD MN-PD (OAKLAND:MAIN-PIEDMONT DA, CA).

Carrier: U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS
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 Number510-899-8800
Phone Number+15108998800
National Format(510) 899-8800
Country CodeUS
Caller Name
STABLECOIN DEVELOPMENT CORP
NAJAFI FAMILY TRUST DATED SEPTEMBER 13, 2006
Caller Type
Carrier NameU.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS
Phone Type
Apple iMessage StatusNot Registered
Raw Number5108998800
Basic Format510-899-8800
NPA (Area Code)510
NXX899
Rate CenterOKLD MN-PD
LocationOAKLAND:MAIN-PIEDMONT DA, CA
OCN (Carrier Number)671J
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 registrationStablecoin Development CorpSDEV · Pharmaceutical Preparations · 2000 POWELL STREET, SUITE 1150 EMERYVILLE CA 94608 US
SEC company registrationNajafi Family Trust dated September 13, 2006C/O NOVABAY PHARMACEUTICALS, INC. 5980 HORTON STREET, SUITE 550 EMERYVILLE CA 94608 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
Stablecoin Development CorpCIK 0001389545
SDEV, NBY · NYSE, NYSE
Pharmaceutical Preparations2000 POWELL STREET, SUITE 1150 EMERYVILLE CA 94608 US
Najafi Family Trust dated September 13, 2006CIK 0001411154otherC/O NOVABAY PHARMACEUTICALS, INC. 5980 HORTON STREET, SUITE 550 EMERYVILLE CA 94608 US

Detailed Call Routing Data

stateCA
ocn981E
companyBANDWIDTH.COM CLEC, LLC - CA
rate_centerOKLD MN-PD
LocationOAKLAND:MAIN-PIEDMONT DA, CA
use_typeAS
pooled_codeY
in_serviceYes
regionWC
stateCA
statusAS
rate_centerOKLD MN-PD
LocationOAKLAND:MAIN-PIEDMONT DA, CA
block_effective_date03/13/2004
assigned_toU.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS
ocn671J
date_assigned02/17/2004
regionWC
stateCA
statusAS
rate_centerOKLD MN-PD
LocationOAKLAND:MAIN-PIEDMONT DA, CA
block_effective_date03/13/2004
assigned_toU.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS
ocn671J
date_assigned02/17/2004
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.

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.

Latest community reports for 510-899-8800

No Reports for this number.

Stylized Number Format

Bold𝟓𝟏𝟎-𝟖𝟗𝟗-𝟖𝟖𝟎𝟎 [click to copy]
Full-Width510-899-8800 [click to copy]
Superscript⁵¹⁰-⁸⁹⁹-⁸⁸⁰⁰ [click to copy]
Subscript₅₁₀-₈₉₉-₈₈₀₀ [click to copy]
Enclosed Alphanumerics⑤①⓪-⑧⑨⑨-⑧⑧⓪⓪ [click to copy]
Mathematical Bold𝟱𝟭𝟬-𝟴𝟵𝟵-𝟴𝟴𝟬𝟬 [click to copy]
Mathematical Italic𝟧𝟣𝟢-𝟪𝟫𝟫-𝟪𝟪𝟢𝟢 [click to copy]
Mathematical Sans-Serif𝟻𝟷𝟶-𝟾𝟿𝟿-𝟾𝟾𝟶𝟶 [click to copy]
Emoji5️⃣1️⃣0️⃣-8️⃣9️⃣9️⃣-8️⃣8️⃣0️⃣0️⃣ [click to copy]
Spelled Out five one zero - eight nine nine - eight eight zero 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



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

Neighboring Numbers (Commonly Searched): 510-899-8800 | 510-899-8860 | 510-899-8862 | 510-899-8867 | 510-899-8888 | 510-899-8899