A spreadsheet can contain a valid-looking phone number and email while still pointing to the wrong branch or department. Reviewing the details before using them prevents a tidy record from becoming an avoidable mistake.

Before outreach, match the contact detail to the correct company, branch, and purpose. Record the source and review date, resolve conflicts, and preserve restrictions. A published address is not proof of deliverability or buying authority.

A useful verification note states exactly what you checked and leaves unresolved questions visible.

Begin with business identity

Open the company website from the record. Compare the name and location with the source that led you there. Watch for businesses with similar names, directories that link to a parent company, and domains that now belong to someone else.

For a branch, find a branch-specific page or another clear location source. If you cannot connect the record to the intended business, stop the review there. Checking an email format is not useful until you know whose email it is.

Match the route to the purpose

A published phone number may be a central switchboard, customer support line, or local office. A mailbox may serve careers, billing, or general inquiries. Record that purpose rather than labeling every route Sales contact.

If the available route is general, use it to establish the correct contact instead of assuming purchasing authority. A company website rarely answers every question about how buying decisions are made.

Check What counts as useful evidence
Business identity Company name and branding match the intended target
Location Branch page or source confirms the relevant site
Contact route Exact phone, email, or form is publicly shown
Route purpose Department or general-inquiry role is clear
Freshness You record when the source was actually reviewed

Preserve the evidence behind a correction

If you replace a phone number or address, record where the new information came from. A short note such as Updated from branch contact page is more useful than silently overwriting the cell.

Keep capture date and checked date separate. Importing a row into a new workbook does not make its information newly verified. Likewise, a recent website footer year does not prove every contact detail on the site was updated that year.

For conflicting sources, note the conflict and choose the next research action. A company page may be the best available source, but a disagreement involving a closed or relocated location deserves a second look.

Decide what is ready and what needs research

Use a simple disposition rather than pretending every record has the same certainty. Ready can mean identity and the intended contact route are confirmed for the next step. Needs research can mean the company fits but the branch or route remains unresolved.

A fictional example: Example Services matches your territory and publishes a general office number. That may be ready for a call asking who handles supplier inquiries. It is not evidence that you have a direct buyer number or an active purchasing requirement.

Keep any Do not contact restriction visible. Verification of a number or email does not override a restriction or establish permission for a campaign. Follow your organization's outreach requirements when deciding how to use the list.

Use tools without confusing capture and verification

Prospect helps collect available company details. Your review should determine whether those details match the business, location, and purpose of the planned action.

Do not treat an empty field as a failed prospect. A company with a suitable public phone route may still be worth researching even if no email is shown. Conversely, a fully populated row can be unsuitable if the business falls outside your target scope.

Record what verified actually means

A single Verified column can hide several different checks. Use a short note that states the scope:

Label What you established
Identity checked The source matches the intended company and branch
Published route checked The exact address, number, or form appears on the relevant page
Role confirmed A named source or conversation established responsibility

For example, “General office email published on branch page; checked November 11, 2026; buyer unknown” is a clear illustrative note. It does not claim that a message was delivered or that the office controls purchasing.

When two sources conflict, mark the disputed field for review rather than labeling the entire record verified. Other confirmed fields can remain useful while that conflict is resolved.

Make the handoff easy to understand

Before assigning the record, include the fit reason, contact source, unresolved question, and next action. Someone else should be able to continue without repeating the entire search.

For an active list, revisit details when something changes: a bounced message, a disconnected number, a relocation, a new owner, or a long gap since the last review. The purpose is to keep the next action grounded in the current business, not to collect verification dates for their own sake.

Does a published email prove it is deliverable?

No. It proves that the source displayed that address when checked. Inbox activity, routing, and who reads it are separate questions. Keep the source and checked date without labeling the mailbox as guaranteed deliverable.

How often should I recheck contact details?

Recheck when the next action depends on accuracy, when information conflicts, or after a meaningful change or long gap. Prioritize active and important records rather than repeatedly reviewing every dormant row on the same schedule.

Use the company research checklist for a fuller review and the call-sheet guide to prepare the next action.

About this guide

Published by Stephen Modliszewski, publisher of Prospect — Sales Bookmarks. ProspectClip is the extension’s website. Fictional examples and illustrative calculations are teaching aids, not customer results.