Bethalto Illinois ZIP Codes

Bethalto holds a single ZIP code.

Every ZIP code in Bethalto

The complete list of Bethalto, Illinois ZIP codes with the county each falls in.
ZIP codeCounty
62010Madison 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Bethalto codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Bethalto. 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 Bethalto ZIP code begins 620. Those first three digits identify the sectional center facility that processes mail for this part of Illinois. Statewide that range covers 78 ZIP codes, so Bethalto accounts for 1% of it.

Every Illinois ZIP prefix and the region it covers →

Area codes covering Bethalto

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 Bethalto occupies.

Bethalto Illinois area codes in full →

Where Bethalto's ZIP codes sit

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

Cities near Bethalto

The closest places to Bethalto with their own ZIP code list, nearest first.
CityDistanceZIP codes
Wood River Illinois ZIP codes3.2 mi1 ZIP code
East Alton Illinois ZIP codes3.6 mi1 ZIP code
Roxana Illinois ZIP codes5.5 mi1 ZIP code
Alton Illinois ZIP codes5.7 mi1 ZIP code
South Roxana Illinois ZIP codes6.3 mi1 ZIP code
Hartford Illinois ZIP codes6.6 mi1 ZIP code
Edwardsville Illinois ZIP codes8.2 mi2 ZIP codes
Godfrey Illinois ZIP codes10 mi1 ZIP code

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