ZIP code 07006: Caldwell, NJ
ZIP code 07006 is in Caldwell (34% of residents) and North Caldwell (25%), in Essex County, New Jersey. 41% of its residents live outside city limits. It is in New Jersey's 11th congressional district (66%) and New Jersey's 10th congressional district (34%). Its state senate district is State Senate District 40; its state house district is Assembly District 40.
See it on the mapAll of New Jersey
City and county
| City or town | Share of ZIP residents |
|---|---|
| Caldwell | 34% |
| North Caldwell | 25% |
| County | Share of ZIP residents |
|---|---|
| Essex County | 100% |
| Town or county subdivision | Share of ZIP residents |
|---|---|
| West Caldwell township | 41% |
| Caldwell borough | 34% |
| North Caldwell borough | 25% |
Congressional districts
| Congressional district | Share of ZIP residents |
|---|---|
| New Jersey's 11th congressional district (NJ-11) | 66% |
| New Jersey's 10th congressional district (NJ-10) | 34% |
This ZIP is split between districts. A mailing address in it could be in either; the map or locate_point gives the district for an exact address.
State legislative districts
| State senate district | Share of ZIP residents |
|---|---|
| State Senate District 40 | 100% |
| State house district | Share of ZIP residents |
|---|---|
| Assembly District 40 | 100% |
Voting precincts
20 voting precincts overlap ZIP 07006. Map them, with each precinct's share of the ZIP's residents.
Get this in your AI agent
Your agent can get these cities, counties, districts and precincts with their shares, and their GeoJSON boundaries, from Boundary Atlas. Add https://atlas-production-d344.up.railway.app/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
related_geographies(id="us:zcta:07006")
ZIP 07006 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code; PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.