---
title: "Area code 945: Texas, United States"
url: "https://lookvalid.com/area-code/945.md"
canonical_url: "https://lookvalid.com/area-code/945"
last_updated: "2026-10-23"
type: "reference"
summary: "Area code 945 serves Texas, United States. Number formats, numbering rules, a live phone validator and the other codes in Texas."
---

# Area code 945: Texas, United States

Area code 945 serves Texas, United States. Number formats, numbering rules, a live phone validator and the other codes in Texas.

NANPA lists 290 central office codes (prefixes) in use in area code 945, held by 37 holders across 41 rate centers.
T-Mobile USA holds the most prefixes, 52 (18%). 100% of the prefixes are pooled, which means their thousands-blocks can belong to different companies.
The FCC unwanted-call data has 229 complaints on file for 220 numbers in 945, most often filed as "Unwanted Calls". These are consumer reports, not findings.

## Facts

- In service since: 2021-01-15
- Time zone: Central (C)
- Assigned overlays: 214 (1947-01-01), 972 (1996-09-14), 469 (1999-07-01)
- Prefixes in use: 290
- Pooled prefixes: 289 (100%)
- Rate centers: 41
- Companies holding prefixes: 37
- Assignment dates on file: 2020-11-17 to 2026-07-29 (288 prefixes)
- ZIP codes in its places: 179

## Rate centers

| Rate center | Prefixes | Share |
| --- | --- | --- |
| GRANDPRARI | 63 | 22% |
| DALLAS | 39 | 13% |
| FRISCO | 27 | 9% |
| MCKINNEY | 24 | 8% |
| PLANO | 24 | 8% |
| IRVING | 12 | 4% |
| LEWISVILLE | 9 | 3% |
| WAXAHACHIE | 8 | 3% |
| 33 other rate centers | 84 | 29% |

## Carriers

| Holder | Prefixes | Share |
| --- | --- | --- |
| T-Mobile USA | 52 | 18% |
| Onvoy | 49 | 17% |
| New Cingular Wireless PCS | 42 | 14% |
| Verizon Wireless | 26 | 9% |
| Fractel | 20 | 7% |
| Bandwidth.com CLEC | 12 | 4% |
| 31 other carriers | 89 | 31% |

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.

## History

- 1947-01-01: Area code 214, named as the parent of 945 in the NANPA report, was in service.
- 2021-01-15: Area code 945 went into service.

## Nearest area codes

The area codes closest to 945, measured between the centers of the ZIP code places they serve, are 817 (about 30 miles), 682 (about 31 miles), 430 (about 79 miles), 903 (about 79 miles) and 254 (about 93 miles).

## ZIP codes

179 ZIP codes fall in places that have a rate center in this area code. The places with the most are Dallas, TX (105 ZIP codes), Irving, TX (12 ZIP codes) and Plano, TX (9 ZIP codes). A ZIP code and an area code are unrelated systems, so a ZIP code can sit in more than one area code and an area code spans many ZIP codes.

## Complaints on file

229 complaints for 220 numbers. Numbers whose latest complaint falls in each year:

- 2023: 20
- 2024: 34
- 2025: 60

## Questions

### Where is area code 945?

NANPA assigns area code 945 to Texas, United States.

### In which state does area code 945 sit?

Texas. 945 is one of 29 area codes the NANPA table assigns to the state.

### Which places does area code 945 cover?

The places with the most ZIP codes among the rate centers in 945 are Dallas, TX, Irving, TX and Plano, TX. The rate center list on this page shows all of them.

### Who owns area code 945?

NANPA assigns area codes. Within 945, T-Mobile USA holds the most prefixes, 52 prefixes or 18%.

### Which time zone does 945 use?

The NANPA NPA report lists the time zone for 945 as Central (C).

### What year did 945 enter service?

The NANPA NPA report gives an in-service date of 2021-01-15, so 945 has been in use since 2021.

### Does area code 945 have an overlay?

Yes. 214 (in service 1947-01-01), 972 (in service 1996-09-14) and 469 (in service 1999-07-01) share the same area with 945, so numbers from all of them are local to each other.

### Which area codes are nearest to 945?

The area codes closest to 945, measured between the centers of the ZIP code places they serve, are 817 (about 30 miles), 682 (about 31 miles), 430 (about 79 miles), 903 (about 79 miles) and 254 (about 93 miles).

### How many prefixes does area code 945 have?

NANPA's report dated 2026-10-17 lists 290 prefixes in service in 945, spread over 41 rate centers and 37 holders.

### Are there complaints about 945 numbers?

The FCC data on file has 229 complaints for 220 numbers in 945. They are unverified consumer reports. A number with no complaints on file is not proven safe.

Sources: NANPA central office code report dated 2026-10-17; NANPA NPA report dated 2026-10-18; FCC unwanted-call complaints, data fetched 2026-10-17; ZIP code places from GeoNames (CC BY 4.0).