com.zip-codes/api

Zip-Codes.com Location Intelligence: Spatial Analysis, Districts & 14+ Years of Demographics

Validate & geocode a US address: 14 years of demographics, districts & schools. Agents buy via MPP.

Endpointhttps://mcp.zip-codes.com/mcp (streamable-http)
Registry version1.1.0
Now12 tools · grade C (68) · pin ts_83c6cb12eae002b56753f5d7939ab762 · protocol 2025-06-18
First / last listed2026-11-11 01:32 UTC / 2026-11-11 01:32 UTC
Grade over time2026-11-11: C (68), 12 tools

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Timeline

First listing · 2026-11-11 01:32 UTC
12 tools, grade C (68)

Tools: suggest_places zip_lookup zip_facts quick_zip city_name_rules buy_credits radius_search about_data distance validate_address county_reference metro_area_reference

Current tools (12)

suggest_placesSearch for a place by partial name, misspelled name, or partial code — the resolver that turns what a person typed into something the other tools can look up. Fuzzy matching is built in: "beverley hills" finds Beverly Hills, "san fransisco" finds San Francisco, and a partial code like "902" finds the ZIP Codes starting with it. Matches US ZIP Codes, cities, USPS city names, counties, metropolitan
params: q*, limit, types, state, country, near, api_key
zip_lookupThe full record for a postal code — the main location-intelligence tool. Takes a US ZIP Code, a US ZIP+4, a Canadian FSA, a Canadian postal code, or a latitude,longitude pair, and returns the city, state or province, county, whether it spans more than one county, area codes, elevation, metro area and postal details (metro.msa and metro.pmsa are legacy 1999 definitions; the current metro area, the
params: code*, include, acs_years, api_key
zip_factsStatistics about US ZIP Codes and Canadian postal codes: how many exist, how they break down by type, delivery point and carrier route totals, per-state tables, and ranked lists such as the ZIP Codes with the most carrier routes. Every figure is generated from a stored query against the source data, with the date it was measured. Costs nothing and needs no key.
params: none
quick_zipThe fast, small answer for a postal code. Takes a US ZIP Code, a US ZIP+4, a Canadian FSA, a Canadian postal code, or a latitude,longitude pair, and returns the code's city, state or province, county, and whether it spans more than one county. Given a ZIP+4 it also returns the street ranges making up that delivery segment; given coordinates it reverse-geocodes to the code containing the point. zip
params: code*, include, api_key
city_name_rulesHow USPS names a ZIP Code, and which of those names may be used on mail. Each ZIP Code has exactly one preferred city name plus alternates, and some alternates are NOT valid for addressing — for 08088 NJ, SHAMONG is valid while SHAMONG TOWNSHIP is not. Returns the rules, the counts and a worked example. Costs nothing and needs no key.
params: none
buy_creditsBuy a credit pack with a wallet that pays MPP (Machine Payments Protocol) challenges, such as Stripe Link. The credits go on the account or prepaid card of the API key you send. Without a key, the purchase makes a prepaid card: a new API key holding the credits, in the result's api_key; pass it as api_key on later calls, and keep it (it is shown again only while the card is unused, for 24 hours).
params: pack, price_usd, credits, api_key
radius_searchFind every US ZIP Code and Canadian postal area within a radius of a centre point, with the distance to each. The centre takes a US ZIP Code, a US ZIP+4, a Canadian FSA, a Canadian postal code, or a latitude,longitude pair; a ZIP+4 searches from its parent ZIP, and coordinates are used as the point itself, so the centre comes back with no code. Centroid mode measures centre to centre and reaches 5
params: code*, max*, min, mode, limit, include, acs_years, api_key
about_dataWhere this server's data comes from: for each dataset the authority behind it, the edition served where the source publishes editions (TIGER/Line, ACS, ZCTA), how often a new release is taken, and a ready-made citation string. Costs nothing and needs no key.
params: none
distanceDistance between two places, in miles and kilometres, plus the compass bearing from the first to the second. Each end takes a US ZIP Code, a US ZIP+4, a Canadian FSA, a Canadian postal code, or a latitude,longitude pair, and the two ends can be different kinds — a US ZIP to a Canadian postal code works, and so does a code to a coordinate. Time zone for both ends is included. This is a straight-lin
params: from*, to*, api_key
validate_addressValidate and standardise a US street address and return its ZIP+4. US ONLY — unlike the postal-code tools, this does not cover Canada. Send the address on one line in mailing order: number and street, then any unit (APT 4, STE 900, #9), then city, state and ZIP. It tolerates ordinary slips (a misspelling, a missing ZIP, state or directional), but it is not a puzzle to solve: a unit placed after th
params: address*, include, api_key
county_referenceUS counties and county equivalents — all 3,235 of them — with their Census and USPS names, which disagree for over a hundred, plus ANSI code, legal type, land and water area, and USPS delivery footprint. Filter by state to get every county in that state: without a filter only the first 25 are returned, and they are FIPS-ordered, so an unfiltered call answers with Alabama rather than with whatever
params: state, limit
metro_area_referenceUS metropolitan and micropolitan statistical areas (CBSAs) — all 935. Of those only 393 are metropolitan; the rest are micropolitan and are NOT metro areas, so do not treat a CBSA count as a metro count. Each carries its divisions, parent combined area, land area and delivery footprint, plus the CMS Medicare labor market area, which is a DIFFERENT geography that shares the same code space. Filter
params: state, limit

Entries describe changes in tool definitions. They are not statements about a server, its quality or its author. The grade measures how the tool definitions fit model providers (token cost, schema compatibility, confusable names) as scored by the ToolFit engine at the time of the listing. JSON: append .json. Opt-out: how or hello@youraitools.co.