837 area code: location, overlays and numbers
Since 2025, area code 837 has served Sacramento, California as a US telephone code, and 530 overlays it.
- Location
- Sacramento, California
- Active since
- 2025
- Local time zone
- Pacific time
- Overlay
- 530
- Calls inside the area
- Dialling format: 1 + 10-digit
- Rate centre list
- 131
- Exhaust projection
- 2092
- Country calling prefix
- +1 (United States)
Based on NANPA public reports: the area code report and the rate-centre report, dated 11/01/2026. The exhaust year comes from NANPA projections 2026-1 (April 2026). We are not an official NANPA site.
Get an 837 number
Two routes will get you a number in the 837 area code. A provider assigns a new number with its plan, and you pick it at sign-up from the numbers that provider holds in the code. Numbers a seller already holds are often listed with a pattern, at a one-time price, and you later move the number to a provider.
Providers ranked by first-year cost
| Provider | Cheapest plan | First year | Link |
|---|---|---|---|
 Free app | Basic (Just for me), free | $0 | Open Google Voice |
 Free app | Free plan, free | $0 | Open TextNow |
 Developer API | Pay-as-you-go local number, $1.15 a month | $13.80 | Open Twilio |
 Second-number app | Standard, $3.99 a month billed yearly | $47.99 | Open Burner |
 Toll-free specialist | Solo, $6.99 a month billed yearly | $84 | Open UniTel Voice |
 Second-number app | Deluxe (local number), $6.99 a month billed yearly | $102.88 | Open GoDaddy Conversations (formerly Smartline) |
Sellers who list local numbers
| Seller | What it sells | Listed price | Monthly fee | Link |
|---|---|---|---|---|
 Marketplace | Local numbers | From $9 one-time | None stated | Search at Exclusive Digits |
 Marketplace | Local and toll-free | From $9.95 one-time | $2.99 a month | Search at NumberBarn |
 Number broker | Local and toll-free | From $99 one-time | None stated | Search at RingBoost |
 Number broker | Local and toll-free | From $100 one-time | None stated | Search at PhoneNumberExpert |
| 212areacode.comNumber broker | Local numbers | From $150 one-time | None stated | Search at 212areacode.com |
Some sellers and providers may pay us a referral fee. What we earn does not affect the ranking, and the ranking is by first-year cost. How we make money
Places in the 837 area code
For 837, NANPA lists 131 rate centres. Each one is a local calling area where numbers get assigned:
Alleghany, Alpine, Alta, Alturas, Anderson, Arbuckle, Auburn:north Da, Auburn:main Da, Adin, Lewiston, Knights Landing, Keddie, Janesville, Hornbrook, Hoopa, Homewood, Herlong, Hayfork, Happy Camp, Hamburg, Guinda, Grass Valley: South Da, Grass Valley: Main Da, Grimes, Grenada, Gridley, Gerber, Greenville, Georgetown, Gazelle, French Gulch, Fort Jones, Foresthill, Fall River Mills, Etna, Esparto, Elk Creek, Eagle Lake, Dunsmuir, Dunnigan, Downieville, Dorris, Davis, Cottonwood, Colusa, Corning, Colfax, Coleville, Colfax:weimar Da, Chico, Chester, Challenge, Camptonville, Cedarville, Butte City, Burney, Blairsden, Biggs, Bangor, Bieber and 71 more.
Other related area codes
This is the same area and the same pool of numbers: 530. Any of these codes can supply a new number for this area, so request the one you prefer.
Other area codes in California: 213, 415, 916, 714, 805, 209, 408, 707, 619, 818, 510, 310, 909, 562, 760, 626, 650, 925, 949, 323, 831, 559, 661, 858, 951, 424, 657, 747, 442, 669, 628, 279, 820, 341, 840, 350, 369, 738 and 357.
837 area code questions
What area does 837 cover?
In Sacramento, California, 837 rings around Sacramento-Roseville-Folsom, CA.
Which country code applies to a 837 number?
+1. Calls from abroad need +1 837 and the 7-digit number, since 837 sits in the North American Numbering Plan.
What time is it in the 837 area code?
Pacific time applies to 837.
Who places calls with a 837 number?
Homes, mobiles and local businesses all use numbers in this code, and so do callers who fake a local number. What the 837 number on your screen shows is where it was assigned, rather than who is on the line.