Get a local business phone number in Grandview, WA
Grandview's area code, prefixes and carriers from NANPA records, and how to put a Grandview number in front of your customers.
- Area code
- 509
- Exchanges
- 4NANPA-assigned
- Carriers
- 4
- Population
- 11,599Census 2024 est.
Area codes in Grandview
With 11,599 residents in the Census 2024 estimate, Grandview sits in Yakima County, Washington. All 4 exchanges NANPA lists for its rate center are in area code 509. Grandview is in the Pacific time zone.
According to NANPA's dialing-plan data, local calls within 509 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 509 | 4 | 100% | 1957 | none | Pacific |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Who holds Grandview phone exchanges
4 carriers hold the 4 exchanges assigned to Grandview's rate center. Level 3 Communications, LLC - Wa has the most, with 1. 3 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Level 3 Communications, LLC - Wa | 1 | 25% |
| Onvoy, LLC - Wa | 1 | 25% |
| Voip Innovations, LLC | 1 | 25% |
| United Telephone - Northwest d/b/a Centurylink - Wa | 1 | 25% |
Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.
Local prefixes for Grandview
These are the central office codes NANPA records for Grandview. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2003. 1 of the 4 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 509 | 203, 402, 791, 882 |
Source: NANPA utilized central office code file.
When Grandview's exchanges were assigned
Assignment dates show when each block of Grandview numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 1 | 50% |
| 2020s | 1 | 50% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
Rate centers and local calling in Grandview
Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Grandview's numbers are rated to the GRANDVIEW rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Grandview number.
If your business already has a Grandview number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
Who does business near Grandview
Grandview is part of the Yakima, WA metro area, home to 259,000 people in 2024. County Business Patterns counted 5,010 business establishments in the Yakima, WA metro area in 2023, employing 71,390 people. The largest sectors by establishment count are retail trade (708), construction (675), and health care and social assistance (613).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Full-service restaurants | 170 | 2,308 | 13.6 |
| Limited-service restaurants | 156 | 3,045 | 19.5 |
| Child day care services | 113 | 850 | 7.5 |
| Residential remodelers | 102 | 250 | 2.5 |
| Law offices | 85 | 473 | 5.6 |
| Physician practices | 82 | 1,509 | 18.4 |
| New single-family housing construction contractors | 79 | 260 | 3.3 |
| Landscaping services | 77 | 307 | 4.0 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
A Grandview number on Callata
Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.
If you already have a number in Grandview, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.
Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.
The comparison below uses 14 users, the rounded average establishment size in the Yakima, WA metro area. At list prices checked September 28, 2026, that is $349.30 a month on Ooma Office Pro and $420.00 on RingCentral RingEX Core. On Callata the same 14 people cost $279.00 a month, less than either per-seat plan.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $279.00 | $3,348.00 |
| Quo (Starter) | $19.00 per user | $266.00 | $3,192.00 |
| Nextiva (Core) | $23.00 per user | $322.00 | $3,864.00 |
| Ooma (Office Pro) | $24.95 per user | $349.30 | $4,191.60 |
| Dialpad (Standard) | $27.00 per user | $378.00 | $4,536.00 |
| RingCentral (RingEX Core) | $30.00 per user | $420.00 | $5,040.00 |
Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.
Frequently asked questions
What area code is Grandview, WA?
509. All exchanges NANPA lists for Grandview are in 509.
How many phone companies have exchanges in Grandview?
4, holding 4 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Grandview business number?
Yes. Porting an existing number to Callata is free. Texting from it starts after carrier registration (10DLC), a one-time $49 fee.
How much is a business phone line in Grandview?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 14 users come to $279.00 a month. For comparison, 14 users on RingCentral RingEX Core list at $420.00 a month (checked September 28, 2026).