New Boston Illinois ZIP Codes

New Boston holds a single ZIP code.

Every ZIP code in New Boston

The complete list of New Boston, Illinois ZIP codes with the county each falls in.
ZIP codeCounty
61272Mercer County

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the New Boston codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for New Boston. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

How these codes cluster

Every New Boston ZIP code begins 612. Those first three digits identify the sectional center facility that processes mail for this part of Illinois. Statewide that range covers 47 ZIP codes, so New Boston accounts for 2% of it.

Every Illinois ZIP prefix and the region it covers →

Area codes covering New Boston

ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground New Boston occupies.

New Boston Illinois area codes in full →

Where New Boston's ZIP codes sit

Each point is one New Boston ZIP code, plotted from its record coordinates.
  • Reference points and footprint
  • Not an official NANPA boundary
  • Not a USPS delivery area

Cities near New Boston

The closest places to New Boston with their own ZIP code list, nearest first.
CityDistanceZIP codes
Keithsburg Illinois ZIP codes5.9 mi1 ZIP code
Joy Illinois ZIP codes6.6 mi1 ZIP code
Seaton Illinois ZIP codes12 mi1 ZIP code
Aledo Illinois ZIP codes13 mi1 ZIP code
Oquawka Illinois ZIP codes16 mi1 ZIP code
Little York Illinois ZIP codes17 mi1 ZIP code
Reynolds Illinois ZIP codes20 mi1 ZIP code
Gladstone Illinois ZIP codes21 mi1 ZIP code

Straight-line distance between place reference points, not driving distance.