Clifton is one address on paper and about eleven in practice. The city was carved out of what was left of Acquackanonk Township in 1917, which means it never grew outward from a single downtown the way Paterson or Passaic did — it was assembled from mill villages, farm crossroads and streetcar suburbs that had already been living separate lives, and ninety thousand people later they still behave that way. Botany Village still runs on Parker Avenue as its own commercial strip. Athenia has its own shops on Van Houten. Allwood is postwar single-family with driveways and detached garages; Richfield and Montclair Heights sit up against the Montclair line and feel like a different county; Delawanna along River Road is warehouses and two-families; Lakeview and the Main Avenue corridor are dense, multilingual and walkable. Four ZIP codes cover the whole thing — 07011, 07012, 07013 and 07014, with 07015 doing nothing but post office boxes. A birthday order that says only "Clifton" is not yet an address, and the single most useful thing you can put in the notes field is which of those villages you actually mean.
Workplace birthdays are a genuine category here, and the biggest single destination is not in Clifton's own tax rolls but sits right on its southern boundary. The old Hoffmann-La Roche campus that straddled the Nutley–Clifton line for a century closed in 2013 and has come back as ON3, the life-science redevelopment on Kingsland Street: the Hackensack Meridian School of Medicine, Seton Hall University's health sciences campus with its nursing and medical-science programs, and Eisai's United States headquarters all sit on that ground now, which means a stretch of land that used to be one pharmaceutical company is now a few thousand faculty, students, researchers and staff, all reachable on one short run. Beyond that, the office and light-industrial work spreads along the Route 3 and Route 46 frontages, the Delawanna and River Road warehouse belt, and the retail employers at Clifton Commons, the Promenade Shops at Clifton and Styertowne Shopping Center on Allwood Road. Clifton High School on Colfax Avenue is a destination in its own right — it is one of the largest high schools in New Jersey, and a teacher birthday delivered to the main office there needs the department name, not just a surname.
For residential birthdays, what actually determines whether a bouquet arrives well is the building type, and Clifton runs the full spread inside eleven and a half square miles. In Allwood, Richfield, Albion and the Montclair Heights streets, you get single-family houses with driveways, side doors and a reasonable chance somebody is home — leave-at-door works. In Botany Village, Lakeview, Dutch Hill and along Main Avenue you get two- and three-family houses with a shared front door, a bell panel that has not been relabeled since the last tenant moved out, and no driveway, so give us the floor and the apartment letter or the driver is guessing. Clifton also has an unusually large stock of garden-apartment complexes tucked behind the main roads, where the building number matters more than the street number and the leasing office closes at five; if the recipient lives in one, say so and name the building. Delawanna and the river side mix housing with industrial frontage, and a birthday going to a shift worker there is often better sent to the house for the evening than to a loading-dock address at two in the afternoon.