661
Covers central and southern California
In service since 1999
City facts
Palmdale area code
Area code for central and southern California: history, overlays and how to dial.
661
Palmdale uses area code 661.
About area code 661
How to call a number in Palmdale
Inside the US
1 (661) 555-0123Dial 1, the area code, then the seven-digit number.Local call
555-0123Many areas now require the area code for local calls too; if a seven-digit call fails, add it.From outside the US
+1 661 555 0123Use your country's exit code or +, then 1 for the US.Palmdale is on Pacific Time (PT); check the time before calling from another zone.
Other cities that share 661
Nearby area codes
| Area code | Used in | Distance |
|---|---|---|
| 626 | Alhambra | 33 mi |
| 323 | Alhambra | 33 mi |
| 213 | Echo Park | 36 mi |
| 909 | West Covina | 37 mi |
| 310 | West Hollywood | 37 mi |
| 424 | West Hollywood | 37 mi |
| 562 | Pico Rivera | 41 mi |
| 805 | Simi Valley | 41 mi |
Palmdale quick facts
Palmdale was established in 1886 and incorporated on August 24, 1962. It is named for the Joshua trees early settlers called "yucca palms".
Established1886
Incorporated1962August 24, 1962
CountyLos Angeles CountyCalifornia
Area code661Population165,487Census ACS estimateZIP codes393550, 93551, 93552Elevation2,657 ft810 m
Time zonePacific TimePT
Dates, namesake and elevation from Wikipedia: Palmdale, California and Wikidata (checked 2026-11-08); population and ZIP codes from the U.S. Census Bureau.
Questions
What area code is Palmdale?
Palmdale uses area code 661.
When did area code 661 start?
Area code 661 dates from 1999.
What time zone is area code 661 in?
Palmdale is on Pacific Time (PT).
What other cities use area code 661?
Other cities in this network that share 661 include Lancaster.
Sources: Area code 661 (Wikipedia) and Wikidata, checked 2026-11-08. Numbering plans change; the North American Numbering Plan Administrator is the official record.