---
title: "Area code 903: Texas, United States"
url: "https://lookvalid.com/area-code/903.md"
canonical_url: "https://lookvalid.com/area-code/903"
last_updated: "2026-10-23"
type: "reference"
summary: "Area code 903 serves Texas, United States. Number formats, numbering rules, a live phone validator and the other codes in Texas."
---

# Area code 903: Texas, United States

Area code 903 serves Texas, United States. Number formats, numbering rules, a live phone validator and the other codes in Texas.

NANPA lists 771 central office codes (prefixes) in use in area code 903, held by 49 holders across 194 rate centers.
Southwestern Bell holds the most prefixes, 126 (16%). 68% of the prefixes are pooled, which means their thousands-blocks can belong to different companies.
The FCC unwanted-call data has 2,486 complaints on file for 1,999 numbers in 903, most often filed as "Unwanted Calls". These are consumer reports, not findings.

## Facts

- In service since: 1990-11-04
- Time zone: Central (C)
- Assigned overlays: 430 (2003-02-15)
- Prefixes in use: 771
- Pooled prefixes: 524 (68%)
- Rate centers: 194
- Companies holding prefixes: 49
- Assignment dates on file: 2001-01-05 to 2026-06-29 (253 prefixes)
- ZIP codes in its places: 182

## Rate centers

| Rate center | Prefixes | Share |
| --- | --- | --- |
| TYLER | 75 | 10% |
| LONGVIEW | 72 | 9% |
| TEXARKANA | 39 | 5% |
| SHERMAN | 31 | 4% |
| GREENVILLE | 28 | 4% |
| PARIS | 19 | 2% |
| ATHENS | 15 | 2% |
| CORSICANA | 15 | 2% |
| 186 other rate centers | 477 | 62% |

## Carriers

| Holder | Prefixes | Share |
| --- | --- | --- |
| Southwestern Bell | 126 | 16% |
| Verizon Wireless | 96 | 12% |
| Frontier Comm Of Texas | 89 | 12% |
| New Cingular Wireless PCS | 70 | 9% |
| Level 3 Communications | 64 | 8% |
| Windstream Comm SW | 60 | 8% |
| 43 other carriers | 266 | 35% |

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 903 in the NANPA report, was in service.
- 1990-11-04: Area code 903 went into service.
- 2003-02-15: Area code 430 went into service as an overlay in the same area as 903.

## Nearest area codes

The area codes closest to 903, measured between the centers of the ZIP code places they serve, are 469 (about 79 miles), 945 (about 79 miles), 972 (about 79 miles), 214 (about 81 miles) and 817 (about 109 miles).

## ZIP codes

182 ZIP codes fall in places that have a rate center in this area code. The places with the most are Tyler, TX (15 ZIP codes), Longview, TX (9 ZIP codes) and Texarkana, TX (6 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

2,486 complaints for 1,999 numbers. Numbers whose latest complaint falls in each year:

- 2023: 90
- 2024: 102
- 2025: 85

## Questions

### Where is area code 903?

NANPA assigns area code 903 to Texas, United States.

### In which state does area code 903 sit?

Texas. 903 is one of 29 area codes the NANPA table assigns to the state.

### Which places does area code 903 cover?

The places with the most ZIP codes among the rate centers in 903 are Tyler, TX, Longview, TX and Texarkana, TX. The rate center list on this page shows all of them.

### Who owns area code 903?

NANPA assigns area codes. Within 903, Southwestern Bell holds the most prefixes, 126 prefixes or 16%.

### Which time zone does 903 use?

The NANPA NPA report lists the time zone for 903 as Central (C).

### What year did 903 enter service?

The NANPA NPA report gives an in-service date of 1990-11-04, so 903 has been in use since 1990.

### Does area code 903 have an overlay?

Yes. 430 (in service 2003-02-15) shares the same area with 903, so numbers from all of them are local to each other.

### Which area codes are nearest to 903?

The area codes closest to 903, measured between the centers of the ZIP code places they serve, are 469 (about 79 miles), 945 (about 79 miles), 972 (about 79 miles), 214 (about 81 miles) and 817 (about 109 miles).

### How many prefixes does area code 903 have?

NANPA's report dated 2026-10-17 lists 771 prefixes in service in 903, spread over 194 rate centers and 49 holders.

### Are there complaints about 903 numbers?

The FCC data on file has 2,486 complaints for 1,999 numbers in 903. 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).