---
title: "Area code 717: Pennsylvania, United States"
url: "https://lookvalid.com/area-code/717.md"
canonical_url: "https://lookvalid.com/area-code/717"
last_updated: "2026-10-23"
type: "reference"
summary: "Area code 717 serves Pennsylvania, United States. Number formats, numbering rules, a live phone validator and the other codes in Pennsylvania."
---

# Area code 717: Pennsylvania, United States

Area code 717 serves Pennsylvania, United States. Number formats, numbering rules, a live phone validator and the other codes in Pennsylvania.

NANPA lists 784 central office codes (prefixes) in use in area code 717, held by 41 holders across 107 rate centers.
Verizon Pennsylvania holds the most prefixes, 121 (15%). 71% of the prefixes are pooled, which means their thousands-blocks can belong to different companies.
The FCC unwanted-call data has 3,928 complaints on file for 3,227 numbers in 717, most often filed as "Unwanted Calls". These are consumer reports, not findings.

## Facts

- In service since: 1947-01-01
- Time zone: Eastern (E)
- Assigned overlays: 223 (2017-09-26)
- Prefixes in use: 784
- Pooled prefixes: 559 (71%)
- Rate centers: 107
- Companies holding prefixes: 41
- Assignment dates on file: 2001-01-31 to 2024-04-25 (262 prefixes)
- ZIP codes in its places: 92

## Rate centers

| Rate center | Prefixes | Share |
| --- | --- | --- |
| HARISBGZN1 | 155 | 20% |
| LANCASTER | 101 | 13% |
| YORK | 75 | 10% |
| LEBANON | 29 | 4% |
| CHAMBERSBG | 28 | 4% |
| CARLISLE | 24 | 3% |
| MECHANCSBG | 18 | 2% |
| HANOVER | 15 | 2% |
| 99 other rate centers | 339 | 43% |

## Carriers

| Holder | Prefixes | Share |
| --- | --- | --- |
| Verizon Pennsylvania | 121 | 15% |
| Brightspeed Of Pennsylvania | 80 | 10% |
| New Cingular Wireless PCS | 77 | 10% |
| Verizon Wireless | 72 | 9% |
| Level 3 Communications | 65 | 8% |
| Verizon North | 55 | 7% |
| 35 other carriers | 314 | 40% |

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 717 went into service.
- 1998-12-05: Area code 570 went into service and names 717 as its parent.
- 2017-09-26: Area code 223 went into service as an overlay in the same area as 717.

## Nearest area codes

The area codes closest to 717, measured between the centers of the ZIP code places they serve, are 301 (about 60 miles), 610 (about 64 miles), 484 (about 65 miles), 835 (about 66 miles) and 443 (about 71 miles).

## ZIP codes

92 ZIP codes fall in places that have a rate center in this area code. The places with the most are Lancaster, PA (11 ZIP codes), York, PA (8 ZIP codes) and Hanover, PA (5 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

3,928 complaints for 3,227 numbers. Numbers whose latest complaint falls in each year:

- 2023: 212
- 2024: 150
- 2025: 159

## Questions

### Where is area code 717?

NANPA assigns area code 717 to Pennsylvania, United States.

### In which state does area code 717 sit?

Pennsylvania. 717 is one of 15 area codes the NANPA table assigns to the state.

### Which places does area code 717 cover?

The places with the most ZIP codes among the rate centers in 717 are Lancaster, PA, York, PA and Hanover, PA. The rate center list on this page shows all of them.

### Who owns area code 717?

NANPA assigns area codes. Within 717, Verizon Pennsylvania holds the most prefixes, 121 prefixes or 15%.

### Which time zone does 717 use?

The NANPA NPA report lists the time zone for 717 as Eastern (E).

### What year did 717 enter service?

The NANPA NPA report gives an in-service date of 1947-01-01, so 717 has been in use since 1947.

### Does area code 717 have an overlay?

Yes. 223 (in service 2017-09-26) shares the same area with 717, so numbers from all of them are local to each other.

### Which area codes are nearest to 717?

The area codes closest to 717, measured between the centers of the ZIP code places they serve, are 301 (about 60 miles), 610 (about 64 miles), 484 (about 65 miles), 835 (about 66 miles) and 443 (about 71 miles).

### How many prefixes does area code 717 have?

NANPA's report dated 2026-10-17 lists 784 prefixes in service in 717, spread over 107 rate centers and 41 holders.

### Are there complaints about 717 numbers?

The FCC data on file has 3,928 complaints for 3,227 numbers in 717. 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).