Monthly list prices from both pricing pages in October 2026.
Price per request: zipcodestack vs Zipcodebase
On the Large plan, zipcodestack costs about $0.064 per 1,000 requests ($159.99 for 2,500,000 requests). Zipcodebase costs about $0.126 per 1,000 requests ($240 for 1,900,000 searches). That makes zipcodestack roughly 49% cheaper per request. zipcodestack is also lower per request on all comparable paid plans.
| zipcodestack | Zipcodebase | |
|---|---|---|
| Price per 1,000 requests (Large plan) | about $0.064 | about $0.126 |
| Free plan use | Testing and personal projects | Private use only |
| Rate limit on paid plans | None | 1 to 50 concurrent requests, by plan |
| Radius search limit | Up to 500 km or miles on every plan | 10 to 500 miles, by plan |
zipcodestack paid plans cost $34.99 to $159.99 a month. Yearly billing gives you 2 months free (pay for 10 months, get 12).
All plans
| Plan | zipcodestack | Zipcodebase |
|---|---|---|
| Free | 300 requests, for testing and personal projects | 5,000 searches, private use only |
| Entry | $34.99 for 70,000 | $45 for 60,000 |
| Mid | $59.99 for 250,000 | $75 for 200,000 |
| Large | $159.99 for 2,500,000 | $240 for 1,900,000 |
All zipcodestack plans, including yearly billing, are on the pricing page.
At 2.5 million requests (one request per code looked up), zipcodestack costs about $0.064 per 1,000 lookups; Zipcodebase’s 1.9 million plan works out to about $0.126 per 1,000, so zipcodestack is roughly 49% cheaper per request.
Limits
- Radius: Zipcodebase limits the radius by plan (10 miles on the free plan, 100 on Developer, 200 on Small, 500 on Medium and up). zipcodestack’s radius endpoint accepts up to 500 km or miles.
- Concurrency: Zipcodebase plans list 1 to 50 concurrent requests. zipcodestack paid plans have no rate limit.
Endpoints
zipcodestack offers search (100 codes per request), validate, distance, radius, polygon, match, codes by city and state, provinces, reverse geocoding (coordinates to postal code), autocomplete and coverage, plus an MCP server for AI agents.
Create a free zipcodestack key and compare both APIs with your own data.