Area code
747
747 is a United States area code. Under the North American Numbering Plan it belongs to California, which has 41 area codes in total.
Validate a number in 747
Paste a full number and the tool checks it against the numbering plan. It returns the standard formats, the line type the plan assigns and the area code region.
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Area code 747 at a glance
NANPA lists 255 central office codes (prefixes) in use in area code 747, held by 28 holders across 16 rate centers.
| Fact | Value |
|---|---|
| In service since | 2009-05-18 |
| Time zone | Pacific (P) |
| Assigned overlays | 818 (1984-01-07) |
| Prefixes in use | 255 |
| Pooled prefixes | 253 (99%) |
| Rate centers | 16 |
| Companies holding prefixes | 28 |
| Assignment dates on file | 2009-08-14 to 2026-07-24 (227 prefixes) |
| ZIP codes in its places | 39 |
Rate centers in area code 747
| Rate center | Prefixes | Share |
|---|---|---|
| BRBN BRBN | 31 | 12% |
| CANOGAPARK | 29 | 11% |
| GLENDALE | 26 | 10% |
| VAN NUYS | 25 | 10% |
| NO HOLLYWD | 23 | 9% |
| AGOURA | 18 | 7% |
| NORTHRIDGE | 18 | 7% |
| SNFN SNFN | 15 | 6% |
| 8 other rate centers | 70 | 27% |
Who holds the prefixes in 747
T-Mobile USA holds the most prefixes, 53 (21%). 99% of the prefixes are pooled, which means their thousands-blocks can belong to different companies.
| Holder | Prefixes | Share |
|---|---|---|
| T-Mobile USA | 53 | 21% |
| Onvoy | 42 | 16% |
| Fractel | 39 | 15% |
| New Cingular Wireless PCS | 27 | 11% |
| Bandwidth.com CLEC | 24 | 9% |
| Ton80 Communications | 11 | 4% |
| 22 other carriers | 59 | 23% |
A prefix holder is the company a code was assigned to, not necessarily a number's current carrier, because numbers can be ported to another company. Find which carrier a number is on, or browse the prefix holders.
History of area code 747
- 1984-01-07 Area code 818, named as the parent of 747 in the NANPA report, was in service.
- 2009-05-18 Area code 747 went into service.
Area codes nearest to 747
Distance is measured between the centers of the ZIP code places each area code serves, so it is a rough guide.
Overlay codes in the same area
ZIP codes in area code 747
39 ZIP codes fall in places that have a rate center in this area code.
| Place | ZIP codes |
|---|---|
| Glendale, CA | 14 |
| Van Nuys, CA | 13 |
| Northridge, CA | 6 |
A ZIP code and an area code are unrelated systems. A ZIP code can sit in more than one area code, and an area code spans many ZIP codes.
Complaints on file for 747 numbers
1,134 FCC complaints are on file for 907 numbers in 747, most often filed as "Unwanted Calls". These are unverified consumer reports.
| Year of latest complaint | Numbers |
|---|---|
| 2023 | 101 |
| 2024 | 109 |
| 2025 | 74 |
Other area codes in California
California is one state with 41 area codes in the NANPA table. 747 is one of them.
- 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
- 760
- 805
- 818
- 820
- 831
- 837
- 840
- 858
- 909
- 916
- 925
- 949
- 951
Next to 747 in the numbering table
These are the codes just before and after 747 when all are sorted by number. They are neighbours on the list, not necessarily on the map.
What the area code does and does not tell you
A number that starts with 747 was first assigned in California. That is a fact about where the number began, and it is a useful hint when you check a form entry, for example a billing address in California next to a 747 phone number.
It does not show where the person is today. A number stays with its owner after a move or a change of provider (number portability), and mobile numbers travel with the handset. The area code also cannot tell you whether the line is active, who the carrier is, or whether the number is mobile or fixed: the plan shares those ranges. Read more about the area code, the numbering plan and line type.
Check numbers in bulk with the API
| Product | Credits | Docs |
|---|---|---|
| Phone Numbering-Plan Validation | 1 credit per valid number | API docs |
| Phone Intelligence (carrier and line status) | 1 credit per check (invalid numbers outside the US and Canada are free) | Product page |
Questions about area code 747
Where is area code 747?
NANPA assigns area code 747 to California, United States.
In which state does area code 747 sit?
California. 747 is one of 41 area codes the NANPA table assigns to the state.
Which places does area code 747 cover?
The places with the most ZIP codes among the rate centers in 747 are Glendale, CA, Van Nuys, CA and Northridge, CA. The rate center list on this page shows all of them.
Who owns area code 747?
NANPA assigns area codes. Within 747, T-Mobile USA holds the most prefixes, 53 prefixes or 21%.
Which time zone does 747 use?
The NANPA NPA report lists the time zone for 747 as Pacific (P).
What year did 747 enter service?
The NANPA NPA report gives an in-service date of 2009-05-18, so 747 has been in use since 2009.
Does area code 747 have an overlay?
Yes. 818 (in service 1984-01-07) shares the same area with 747, so numbers from all of them are local to each other.
Which area codes are nearest to 747?
The area codes closest to 747, measured between the centers of the ZIP code places they serve, are 310 (about 22 miles), 424 (about 22 miles), 626 (about 24 miles), 562 (about 28 miles) and 657 (about 39 miles).
How many prefixes does area code 747 have?
NANPA's report dated 2026-10-17 lists 255 prefixes in service in 747, spread over 16 rate centers and 28 holders.
Are there complaints about 747 numbers?
The FCC data on file has 1,134 complaints for 907 numbers in 747. They are unverified consumer reports. A number with no complaints on file is not proven safe.
Area code assignments: North American Numbering Plan Administrator NPA report, file dated 10/17/2026, retrieved 2026-10-17. Source file. New codes are assigned several times a year. Prefixes, rate centers, holders, time zone, in-service date and overlays: NANPA central office code report dated 2026-10-17 and NPA report dated 2026-10-18. Complaints: FCC consumer complaints open data, fetched 2026-10-17. ZIP code places: Postal code places and coordinates: GeoNames (geonames.org), licensed CC BY 4.0.