
Mockmaster.ai
BCBA Mock Exam
Khan Academy
Unacademy
Testbook
ExamBoot
Exam Testing
Generate mock exam - powered by AI
Smarty
Zipcodestack
PostalDataPI
Geoco.io
Melissa Data Quality
Loqate
usZIPCodes.org
REST API for US ZIP, ZIP+4, and Canadian postal codes. Single unified endpoint covers address validation and standardization, radius search (centroid haversine and true spatial polygon intersection), point-to-point distance, autocomplete/typeah

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Website, pricing, platforms and company facts side by side.
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ZIP
ZIP Code API
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| Website | mock-exam-ai.com | zip-codes.com |
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| Company | — | Startup from the United States · 2026 |
| Listed in |
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API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America — no separate APIs by country or data type. What it does Address validation and standardization — production-grade parser with ZIP+4 append, refreshed monthly Radius search — centroid haversine and...
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