Check the code, not just the pin
See the place, region and national format, and flag codes shared by several places or countries.
HERE answers where a place is. PostcodeDog answers whether the code fits.
HERE provides maps, geocoding and location APIs. PostcodeDog covers 82 countries with one lookup, batch checks, a free API and MCP.
| Capability | UsPostcodeDog | HERE | Why it matters |
|---|---|---|---|
| Question | Is this code right for this place and format? | Where is this place? | Different jobs need different answers. |
| Input | Paste an address, city or code; country and format detected | Map search | A postal-first box takes the customer text. |
| Batch | Paste up to 50 rows, review, export CSV | No batch in the consumer map | Clear a label queue in one pass. |
| Developer | Free JSON API and MCP server, no key | Paid platform and API key | No billing setup for a lookup. |
| Languages | 13 interface languages | Map language | Local teams work in their language. |
See the place, region and national format, and flag codes shared by several places or countries.
Paste a column of codes and review valid, ambiguous and missing rows with CSV export.
The JSON API and MCP server are part of the free product.
Paste a full address, a city or a post code. Country and format are detected.
Free. No account, no API key.The same three steps work whether the address is a US ZIP, a UK outcode or a Japanese 〒.
A full address, a city, or just a code. The parser accepts the whole line.
Country, region and post code format are shown together, with nearby codes for a second option.
Copy the verified code or export the batch. Platform and carrier pages keep local rules in view.
HERE provides maps, geocoding and location APIs.
It is a maps and geocoding platform.
No. HERE is for maps and geocoding; PostcodeDog is for postcode checks, batch and agents.
Yes. The lookup is free and needs no account; basic API and MCP need no key.
Yes. Lookups, batch checks, the JSON API and the MCP server are free and need no account.
Yes. The MCP server is at /mcp, and the JSON API is free to call.
Try 90210, SW1A or 100-0001. No signup, no credit card.