Cities in area code 661

32 localities · NANPA data, current as of July 28, 2026.

These are the cities and communities covered by 661 in California. "Covered" means the locality is a rate center holding 661 prefixes; the largest are Bakersfield:main Da, Palmdale:palmdale Da, Santa Clarita:newhall-castaic Da.

Ranked by active prefixes, the code's territory runs through Bakersfield:main Da, Palmdale:palmdale Da, Santa Clarita:newhall-castaic Da, Lancaster, Bakersfield:south Da, Bakersfield:north Da, Santa Clarita:saugus Cnyn-cntry Da and Delano, and 23 smaller communities down to single-prefix localities.

29 of the localities fall within FCC top-100 metropolitan statistical areas; the rest are smaller communities.

1 of these localities are also reachable through other area codes — overlay territory where the same place answers to several codes.

All of the code's territory keeps Pacific time.

Remember that people keep numbers when they relocate, so a 661 number is a where-it-was-issued fact, not a where-they-are fact.

FAQ

What is the biggest city in area code 661?

Bakersfield:main Da holds the most active prefixes (149), making it the code's largest numbering locality.

How many places does 661 cover?

32 rate centers in California hold active 661 prefixes, from Bakersfield:main Da down to communities with a single prefix.

Does a 661 number guarantee the caller lives in one of these places?

No — the tables show where number blocks were issued. Porting and VoIP let people keep or acquire numbers anywhere.