Case Study · 2 weeks
90% Reduction in Manual Data Cleanup Through Phone Number Standardization
Custom coded HubSpot workflow that standardized all phone numbers to E.164 format, eliminating 90% of manual data cleanup.
90%
Reduction in Manual Cleanup
100%
E.164 Compliance
12,000
Records Standardized
Client
B2B company
Challenge
Inconsistent phone data
Solution
Custom coded workflows
Timeline
2 weeks
Key Result
90% less cleanup
Tools
HubSpot, Custom Code
Technix Infotech built custom coded HubSpot workflow actions that automatically standardize phone numbers to E.164 international format on contact creation and update. This eliminated 90% of manual data cleanup and achieved 100% phone number compliance across the CRM.
The Challenge
Phone numbers entered into the CRM came from multiple sources (forms, imports, manual entry, integrations) in inconsistent formats: (555) 123-4567, +1-555-123-4567, 5551234567, 555.123.4567.
Sales reps wasted time reformatting numbers before dialing. Marketing campaigns with phone validation failed on non-standard formats. Analytics on contact data was unreliable due to duplicate detection failing on different phone formats.
Of all manual phone number cleanup work eliminated by automated standardization on every contact create and update event.
Why This Was Not a Standard Project
HubSpot has no native phone number formatting capability. Standard workflows can set values but cannot parse, reformat, or standardize text fields.
The solution required custom coded workflow actions (HubSpot Operations Hub) that could receive any phone format, detect the country, and output E.164 standard format.
Technix wrote a custom coded action in Node.js deployed as a HubSpot workflow step. It handles 15+ input formats, detects country codes (defaulting to the contact's country property when no code is present), and outputs clean E.164 format. The workflow triggers on every contact create and every phone field update.
What We Did
Format Analysis
Day 1-2Analyzed all phone formats in the database. Identified 15+ variations across 12,000 contacts. Defined E.164 as the target standard.
Custom Code Development
Day 3-7Built Node.js custom coded action handling all format variations. Country detection using contact properties. Edge case handling for extensions and special numbers.
Deployment and Backfill
Day 8-14Deployed workflow for new contacts. Ran backfill on 12,000 existing contacts. Validated output against manual spot checks.
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The Technical Deep Dive
The country detection logic was the hardest part. When a phone number like '0412 345 678' is entered without a country code, the system needs to determine if this is Australian (+61), Indian (+91), or something else.
Technix used the contact's country property as the primary signal, with fallback to the company country, then IP country from form submissions. Only when all three were missing did the system default to the portal's primary country setting.
The automated standardization processes every new and updated contact in real time. 12,000 historical records were backfilled in under 4 hours with 100% E.164 compliance. Zero manual corrections needed post-deployment.
The Results
| Metric | Before | After |
|---|---|---|
| Phone Format Compliance | Mixed (15+ formats) | 100% E.164 |
| Manual Cleanup | Hours per week | 90% reduction |
| Dial Failures | Regular | Near zero |
| Duplicate Detection | Unreliable | Accurate |
90%
Less Manual Cleanup
100%
E.164 Compliance
12,000
Records Standardized
2 wks
Implementation
Clean phone data had ripple effects beyond just dialing. Marketing campaigns with phone validation stopped failing. Duplicate detection became reliable. Integration with calling tools worked without manual reformatting. The small investment in data quality improved every downstream process.
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Book a Free Consultation“It sounds like a small thing but dirty phone data was causing problems everywhere. Now every number is clean, every dial works, and our team never thinks about phone formatting again. Pure operational efficiency.”
Operations Manager
B2B Company
Tools and Technologies Used
What We Learned
01
Data quality is infrastructure
Clean data is not a nice-to-have. It is infrastructure that every downstream process depends on. Fix it once at the source.
02
Custom code fills HubSpot gaps
HubSpot cannot natively format phone numbers. Custom coded actions in Operations Hub extend the platform to handle business-specific data rules.
03
Backfill is as important as prevention
Standardizing new data is only half the solution. Backfilling 12,000 historical records made the entire database reliable, not just new entries.
Frequently Asked Questions
Questions About This Type of Project
Not natively. Technix builds custom coded workflow actions using HubSpot Operations Hub that standardize phone numbers on every contact create and update.
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100+ businesses across 6 countries · 12+ years