
ISideWith
Vote Smart
GovTrack.us
On the Issues
Ballotpedia
Votegraph
Bill Tracks
Easily view the Facebook Pages of Local, State, and Federally elected officials according to your...
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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ZIP
ZIP Code API
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| Website | facebook.com | zip-codes.com |
| Company | — | Startup from the United States · 2026 |
| Listed in |
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No description of Facebook Town Hall yet.
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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HRC Enlisted Facebook Town Hall
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Vote Smart, formerly called Project Vote Smart, is a non-profit, non-partisan research organization...
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Free Zip Code API - Free Postal Code Validation | Zipcodestack
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GovTrack.us enables users to track the bills and members of the United States Congress.
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The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
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