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Area code 661

Area code 661 Bakersfield, California

Area code 661 is in California, with numbers assigned in Bakersfield, Palmdale, San Carlos and 20 more places. It’s 9:13 PM there now.

State
California41 area codes in California
Time zone
Pacific9:13 PM there now
Exchanges
67423 places
Overlay
NoneThe only code for its area
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Where area code 661 is

Numbers in 661 are assigned to 23 places in 5 counties: Kern County, Los Angeles County, San Mateo County, Tulare County and Santa Barbara County.

Bakersfield has the most, 34% of the exchanges; the rest are spread across 22 other places.

  • Bakersfield229
  • Palmdale110
  • San Carlos96
  • Lancaster56
  • Delano23
  • Arvin22
  • Edwards AFB13
  • Tehachapi13
  • Taft11
  • Mojave9
  • Lebec8
  • Shafter8
  • Wasco8
  • McFarland8
  • Rosamond7
  • Lake Hughes7
  • Earlimart6
  • Buttonwillow4
  • Lost Hills3
  • Cuyama3
  • California Hot Springs3
  • Glennville3
  • McKittrick3

Phone companies in 661

674 blocks of numbers in 661 are held by 46 phone companies. The most belong to AT&T (145), T-Mobile (92) and AT&T Mobility (75).

A mix: about 33% wireless, 28% local phone and cable and 39% other carriers, including internet phone services.

A block’s holder is the company it was first assigned to; numbers can move to other carriers since.

History and overlays

661 went into service in 1999, added to the area of 805.

90 new exchanges were assigned since 2021, the latest in September 2026.

Calling 661

It’s 9:13 PM Pacific time in 661 right now.

From elsewhere in the U.S., dial 1, 661 and the 7-digit number.

Nearby area codes

California has 41 area codes: 209, 213, 279, 310, 323, 341, 350, 357, 369, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626, 628, 650, 657, 661, 669, 707, 714, 738, 747, 760, 805, 818, 820, 831, 837, 840, 858, 909, 916, 925, 949 and 951.

From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.

Map of the 661 area code

Map of the 661 area code around Bakersfield, Palmdale and Lancaster, California.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 661

Where is area code 661?

In California, covering Bakersfield, Palmdale and San Carlos and other places across 5 counties.

What time zone is 661 in?

Pacific time. It was 9:13 PM there when this page loaded.

Is 661 an overlay?

No. 661 is the only area code for its area right now.

Which phone companies have 661 numbers?

46 companies hold blocks; the most belong to AT&T, T-Mobile and AT&T Mobility. About 33% of blocks are wireless.

Is 661 running out of numbers?

Not on record. 90 new exchanges have been assigned since 2021.