ZIP code vs postal code: what to check before enrichment
Compare ZIP codes and postal codes, understand country-specific formats, and choose the right reference workflow.
Read guidePractical notes for postal, country, holiday, and CSV data work.
Use these guides to understand source limits, choose the right workflow, prepare CSV inputs, and interpret exported reference fields.
ZIP code centroid vs boundary: how to read map results
Understand why postal maps often show a point instead of an official delivery boundary.
Read guideZIP code to timezone: accuracy notes for CSV enrichment
Use postal reference data to enrich approximate timezones while avoiding address-level assumptions.
Read guideISO alpha-2 vs alpha-3 country codes
Compare ISO2, ISO3, numeric country codes, and when each field is useful in data cleanup.
Read guideCalling code vs country code in customer data
Separate phone calling prefixes from ISO country identifiers before exporting standardized rows.
Read guideCurrency code to country: common data caveats
Understand why a currency code can match several countries and how to review results.
Read guidePublic holiday vs bank holiday vs observance
Compare holiday labels before using a country-year holiday table for business-day checks.
Read guideHow to check business days from a CSV
Prepare a CSV date column, select country context, and export business-day review fields.
Read guideRemove duplicate CSV rows without losing review context
Choose exact-row or key-based dedupe and keep a report of removed rows.
Read guideCSV delimiter and quoted comma guide
Detect comma, tab, semicolon, and pipe delimiters and review malformed rows before export.
Read guideHow to enrich postal code CSV data
Map postal-code columns, append reference fields, review unmatched rows, and export clean results.
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