Direct Dialing Number
Verified Direct Dials. Fewer Wrong Numbers.
Stop wasting time on switchboards and dead ends. Our expert researchers manually verify every direct dialing number, ensuring 90%+ connect rates to VPs and C-suite executives. Say goodbye to gatekeepers and hello to meaningful conversations that drive deal closures.
Our Client
Our Trusted Partners
What's Holding You Back?
Struggling to Connect? Get Accurate, Verified Direct Dialing Numbers.
Cold calling is tough enough—don’t let inaccurate phone numbers make it worse. With 60-70% of numbers from tools like Apollo, ZoomInfo, and Lusha failing, missed connections translate to missed revenue. It takes 22 minutes to connect using switchboard numbers, but with direct dials, it only takes 5 minutes. Cut through the noise and connect instantly with verified, research-driven direct dials, putting decision-makers within reach.
Your Cold Calling Team Facing Rejection And Low Success Rates?
Outdated or inaccurate Direct Dialing Numbers waste valuable time and reduce conversions. Get verified Direct Dialing Numbers to reach the right prospects faster and boost your success rate.
Prospecting Tools Seem Easy—But Only Accuracy Wins
Prospecting tools often deliver outdated or incorrect contacts. We provide manually verified, accurate data to help you connect faster and close more deals.
Stop Wasting Your Sales Team's Time on Unreliable Phone Numbers.
Unverified numbers lead to dead ends, frustrating teams and hurting productivity. Improve efficiency with accurate, verified numbers.
Reach Every Call to the Right Prospect with the Right Phone Number
Ensure every call reaches the right person with verified, accurate numbers. Eliminate wasted time and boost conversions.
Define your ICP?
Define your target customer profile using criteria like industry, job title, company size, revenue, location, decision-makers, and other key data points.
Precision Targeting
We gather targeted direct dials from trusted sources, verifying details to ensure your data is accurate, current, and tailored to your needs.
Manual Verification
We manually verify phone numbers through direct calls or texts, confirming their validity for reliable, accurate, and effective prospect contact.
API Lookup
Deep Dive Avenue uses reliable API lookup services to verify phone numbers, ensuring accurate details for seamless communication and smooth data integration.
Phone Cross-Check
We meticulously cross-check phone numbers to ensure accuracy, reducing errors and ensuring you’re connected to the right contacts for better engagement.
In-Depth Research
We validate phone numbers through in-depth research, removing invalid contacts and ensuring reliable, high-quality data for your outreach.
Decision Makers
Having direct dialing numbers for key decision-makers enables faster, impactful communication, improving your chances of driving strategic decisions.
Phone Lookup
We perform phone number lookups to ensure accurate and up-to-date contact information, enhancing lead quality and improving communication efficiency.
Various Methods
We verify phone numbers using manual checks and advanced methods to ensure reliability and connect you with accurate contacts.
Human-Verified Leads for Hyper-Personalized Outreach
Triple-Verified Emails & Direct Dialing Numbers with Guaranteed Replacements
Receive only verified email addresses for accuracy and reliability. We do not provide any email addresses without thorough verification and validation. Increase your email delivery rate and keep your mail server safe.
Obtain triple-verified direct dialing numbers for prospects worldwide, ensuring accuracy, reliability, and seamless connectivity. Connect with the right people every time using the most accurate and up-to-date cell phone numbers
We thoroughly verify email addresses and phone numbers to ensure accuracy. However, if you receive an incorrect email or internet phone number, we will promptly replace it with a new, verified contact at no additional cost.
Dial with Confidence: Verified Numbers, Real Connections
Struggling with Low Reach Rates in Cold Calling?
Wrong dialing numbers waste time and opportunities. When dialing a verified direct dial number at the VP level, your SDR is 147% more likely to connect. Deep Dive Avenue provides accurate, manually verified direct-dial numbers—mobile, landline, or business contacts—ensuring you connect with decision-makers effortlessly. No more guesswork—just real conversations.
Cell Phone Number
Get a personal mobile number directly linked to an individual—not a family member like a brother, sister, or parent—ensuring you're contacting the right person every time.
Direct Phone Number
Get a prospect’s direct phone number to connect with them instantly—no gatekeepers, no central system, just direct communication.
Landline Number
A reliable, traditional wired phone line, commonly used in homes and offices, ensuring stable and uninterrupted communication.
Home Landline Number
A dedicated wired phone line for residential use, ensuring clear, stable, and uninterrupted communication for households.
Office Branch Number
Get a dedicated phone number for a specific office branch, ensuring direct communication with the right location without unnecessary transfers.
Headquarter Number
The main contact number of a company's headquarters, connecting you directly to key decision-makers and essential departments.
Triple-Verified Accuracy. 90% Higher Connect Rates
Bypass Gatekeepers. Reach the Right Person
Deep Dive Avenue delivers reliable B2B/B2C contact data with triple-verified direct dials. Each number is cross-checked across three sources to ensure direct access to decision-makers—no gatekeepers, no voicemail traps. Perfect for cold calling, texting, and multi-channel outreach.
Unmatched Accuracy for Every Call
Don’t Just Trust Vendors—Validate Every ICP Direct Dialing Number
While others guess, we verify - through hands-on research combined with advanced tech. The result? Crystal-clear phone connections to your ideal customers, with accuracy rates that leave generic data vendors in the dust
Manual Research
We go beyond automation—conducting deep-dive research to manually verify every email. By cross-checking multiple sources, we ensure accuracy, helping you reach the right prospects effortlessly.
Web Based Tools
Our advanced verification tools—integrated with web and Android-based systems—validate phone numbers with precision, ensuring they are active, accurate, and ready for outreach.
API Integrations
We use API integrations to verify phone numbers in real time, eliminating invalid or outdated numbers for seamless connections with the right prospects.
Why Cold Calling Fails
High Rejection Rates, Low Engagement
Cold calling faces high rejection rates, takes an emotional toll on sales reps, and suffers from low connect rates. Many prospects find unsolicited calls annoying, leading to wasted time and lower conversions. Get verified Direct Dialing Numbers with 90%+ connect rates—skip gatekeepers and close deals faster.
Bridge the Gap in Global Connectivity
Get Direct Dialing Number Across the Globe
Expand your reach in EMEA, AMER, APAC, LATAM, NA, MENA, and EU with manually verified data. Need a specific location? Just ask! We'll deliver and verify the mobile numbers of your desired prospects within 48 hours.
Unlock Direct Connections on LinkedIn
Get Phone Numbers on LinkedIn
Sales reps often face challenges in finding accurate, up-to-date phone numbers on LinkedIn. We specialize in sourcing direct dials across industries and locations, ensuring reliable connections for both B2B and B2C clients.
Never Miss a Connection Again
Direct Dialing Number When Other Vendors Miss
When others fall short, we deliver. Our research and human verification guarantee accurate direct phone numbers—even for the toughest-to-reach prospects. Whether it's a niche industry, location, or decision-maker, we find what others can't.
Find the Numbers Others Can’t
Uncover B2B, B2C, B2G, and B2D Phone Numbers
Targeting businesses, consumers, government entities, or decision-makers? We specialize in uncovering accurate, Direct Dialing Number others miss. Our methods ensure you connect with the right contacts every time—so you can focus on closing deals, not chasing leads.
Get the Gold Standard in Contact Data
Best-In-Class Phone Number Data
Our Direct Dialing Number is rigorously verified for accuracy and reliability. Whether you're targeting businesses, decision-makers, or specific industries, we provide top-quality contact information to help you connect faster and close more deals.
At Deep Dive Avenue, we specialize in delivering high-quality, verified Direct Dialing Number—putting you directly in your prospect’s pocket. No gatekeepers, no barriers—just seamless connections that drive results.
With unparalleled market coverage and comprehensive data sources, you can prospect confidently, knowing you’re accessing more high-quality leads than almost any other provider.
Every phone number undergoes rigorous accuracy checks before being delivered to your account. We only provide numbers that meet our strict verification standards, ensuring you get reliable, actionable data every time.
We’re confident in the quality of our data, which is why we don’t lock you into long-term contracts. Pay only for what your team needs, at a fair and transparent rate—no hidden fees, no unnecessary commitments.
Verified Phone Numbers That Actually Connect
From Research to Validation — We Cover It All
We collect and verify cell and phone numbers using manual research, premium tools, and cross-checks—ensuring every number is accurate, active, and ready for cold calling.
Precision Manual Search
Deep Dive Avenue manually extracts cell numbers by cross-referencing LinkedIn, company directories, and public records, ensuring alignment with the target's role and location.
Research-Driven Precision
We source numbers from LinkedIn Sales Navigator, company "Contact Us" pages, press releases, and verified databases like ZoomInfo, focusing on active professionals.
Skip Tracing Tools
Leverage tools like TLOxp, BeenVerified, and Spokeo API to access public/private databases, ensuring TCPA-compliant mobile/landline number retrieval.
We use various methods
Verify numbers via reverse lookup, carrier checks (Twilio), and SMS validation, combining AI tools with manual dial tests to confirm authenticity.
We perform a cross-reference
Compare numbers from LinkedIn, directories, and databases to filter discrepancies, ensuring 95%+ accuracy before outreach.
Compliance Checks
Scrub lists against DNC registries and GDPR/TCPA guidelines; exclude opted-out numbers to avoid penalties.
Segment Your List
Remove duplicates, segment by role/industry/location, and flag mobile vs. landline for tailored outreach strategies.
Creating Your Database
Compile verified numbers into a CRM with tags (e.g., “Decision-Maker” or “Unverified”), enabling easy filtering for campaigns.
Standardizing Data
Format numbers to +1 XXX-XXX-XXXX, assign region codes, and normalize fields (e.g., “Work” vs. “Personal”) for seamless integration.
Quality Assurance
Audit 10% of entries weekly; update inactive/disconnected numbers using Twilio Lookup or manual reconfirmation.
Tailored Data Delivery
Export lists as CSV/Excel or sync to CRMs (Salesforce, HubSpot) with custom fields (e.g., “Last Verified Date”).
Ongoing Optimization
Refresh data quarterly, track call success rates, and refine sourcing methods based on feedback to boost contact accuracy.
Harry Olson
[Client of Company]
Harry Olson
[Client of Company]
Harry Olson
[Client of Company]
Testimonials
Featured Clients And Their Success Stories
We Are Very Proud Of The Service We Provide And Stand By Every Product We Carry. Read Our Testimonials From Our Happy Customers.
Do we sound like the right fit?
Answer these questions to see if Deep Dive Avenue aligns with your needs:
- Is your cold calling falling short due to unreachable Direct Dialing Number
- Are you tired of wasting time on voicemails and irrelevant leads?
- Do you lack accurate, verified phone numbers to close deals faster?
- Is your cold calling campaign underperforming due to poor contact data?
- Do your purchased lead lists leave you with no results?
- Are outdated or inaccurate phone numbers holding you back from success?
- Are you ready to improve your conversion rates with verified, direct phone numbers?
Our Experts
With The Help Of Our Professional Artist
This Team Will Help You To Make Your Dream Come True And Will Guide You From The Very Beginning
Your Questions, Answered
Clarity, Precision, and Trust—All in One Place
Precision prospecting starts with clarity. This FAQ answers key questions about our human-led process, 90% direct dialing number accuracy, and ICP-tailored prospect lists. Learn how we verify numbers, ensure exclusivity, and address niche needs. Still have questions? Reach out—we simplify the complex.
Deep Dive Avenue is a human-verified B2B data research platform specializing in manual, one-to-one prospect research, lead list building, lead enrichment, and pre-qualified lead sourcing. Unlike typical lead data providers, we go beyond generic databases to deliver highly targeted, relevant, and customized prospect lists tailored to each client’s unique needs and specifications.
We provide a range of phone numbers, including cell phone numbers, direct mobile numbers, and landline numbers for both B2B and B2C prospects. All numbers are human-verified to ensure accuracy and relevance to your target audience
We use a combination of manual research, cross-referencing multiple data sources, and human verification to guarantee that the phone numbers you receive are accurate and up-to-date.
Yes, we specialize in sourcing phone numbers for businesses in various industries, tailored to your specific target market. Whether you’re looking for leads in tech, healthcare, or any other sector, we can customize the list to your needs.
Absolutely! We can target specific geographical regions, whether it’s national, regional, or local, based on your market requirements.
We provide verified phone numbers from individuals or businesses who are either directly reachable or within your defined target. However, outreach should be conducted with proper permission and in line with relevant data protection regulations.
We offer a 95% data accuracy guarantee. If you encounter any issues with the numbers provided, we’ll work with you to resolve them promptly and offer replacements when necessary.
Our pricing is flexible and based on the scope and size of your required list. We provide customized quotes based on the number of phone numbers, the specificity of the target market, and any additional requirements you may have.