Carlsbad, NM ZIP Codes
Carlsbad, New Mexico has 2 ZIP codes: for street addresses and for PO boxes.
Mail addressed to Carlsbad covers nearby places too.
Where the 88220 ZIP code reaches
Tap or point to an area to see its ZIP code.Full-size map
88221 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Carlsbad city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
Check an address in Carlsbad
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Carlsbad PO box and business ZIP codes
| ZIP | Type and post office or station |
|---|---|
| 88220 | street delivery Carlsbad |
| 88221 | PO boxes at the Carlsbad post office Carlsbad |
Why your mail may say Carlsbad when you live outside it
Carlsbad ZIP codes also cover Happy Valley, Livingston Wheeler and La Huerta, so a letter addressed to Carlsbad can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Eddy County property records show which city you are in.
Carlsbad ZIP code questions
What is the main ZIP code for Carlsbad?
88220, the ZIP code of the main Carlsbad post office at 3200 San Jose Blvd.
Which Carlsbad ZIP codes are for PO boxes only?
88221. Mail to it goes to boxes at the post office, not to street addresses.
What county is Carlsbad in?
Eddy County.
ZIP codes for towns near Carlsbad
More towns near Carlsbad: Socorro, El Paso, Las Cruces, Clovis, Lubbock, South Valley, San Angelo, Albuquerque, Amarillo.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections