Codes.zone

Blanca Colorado ZIP Codes

Blanca holds a single ZIP code.

Every ZIP code in Blanca

The complete list of Blanca, Colorado ZIP codes with the county each falls in.
ZIP codeCounty
81123Costilla 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Blanca codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Blanca. 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 Blanca ZIP code begins 811. Those first three digits identify the sectional center facility that processes mail for this part of Colorado. Statewide that range covers 32 ZIP codes, so Blanca accounts for 3% of it.

Every Colorado ZIP prefix and the region it covers →

Area codes covering Blanca

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

Blanca Colorado area codes in full →

Where Blanca's ZIP codes sit

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

Cities near Blanca

The closest places to Blanca with their own ZIP code list, nearest first.
CityDistanceZIP codes
San Luis Colorado ZIP codes17 mi1 ZIP code
Alamosa Colorado ZIP codes20 mi2 ZIP codes
Sanford Colorado ZIP codes25 mi1 ZIP code
La Jara Colorado ZIP codes27 mi1 ZIP code
La Veta Colorado ZIP codes28 mi1 ZIP code
Hooper Colorado ZIP codes29 mi1 ZIP code
Manassa Colorado ZIP codes30 mi1 ZIP code
Romeo Colorado ZIP codes32 mi1 ZIP code

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