CallataGuidesGet a local business phone number in La Grande, OR
La Grande's area codes, prefixes and carriers from NANPA records, and how to put a La Grande number in front of your customers.
- Area code
- 541 / 458
- Exchanges
- 10NANPA-assigned
- Carriers
- 5
- Population
- 13,058Census 2024 est.
La Grande area codes
La Grande, in Union County, Oregon, had a Census-estimated population of 13,058 in July 2024. NANPA lists 10 exchanges for its rate center across 2 area codes; 541 has the most (9, 90%). 541 is part of an overlay with 458, so a new local number in La Grande may carry any of those codes depending on which have numbers available. La Grande is in the Mountain and Pacific time zone.
According to NANPA's dialing-plan data, local calls within 541 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
La Grande exchanges by carrier
5 carriers hold the 10 exchanges assigned to La Grande's rate center. Ziply Fiber Northwest, LLC d/b/a Ziply Fiber has the most, with 5. 9 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 |
|---|---|---|
| Ziply Fiber Northwest, LLC d/b/a Ziply Fiber | 5 | 50% |
| Cellco Partnership d/b/a Verizon Wireless - Or | 2 | 20% |
| Skye Telecom LLC d/b/a Skyetel | 1 | 10% |
| Charter Ip Enabled Services, LLC | 1 | 10% |
| United States Cellular - Or | 1 | 10% |
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.
La Grande phone prefixes
A prefix (NXX) is the three digits after the area code. Numbers starting with these prefixes are rated as local to La Grande. The earliest assignment date recorded in the file for these codes is 2001. 1 of the 10 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 458 | 877 |
| 541 | 605, 624, 663, 786, 805, 910, 962, 963, 975 |
Source: NANPA utilized central office code file.
When La Grande's exchanges were assigned
Assignment dates show when each block of La Grande numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 3 | 75% |
| 2020s | 1 | 25% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in La Grande
What a caller sees as "local" is the area code plus prefix. In La Grande, those come from the LA GRANDE rate center, as recorded by NANPA.
Keeping an existing La Grande number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 541 when you pick it.
The local business market
La Grande is part of the La Grande, OR micropolitan area, home to 26,058 people in 2024. County Business Patterns counted 740 business establishments in the La Grande, OR micropolitan area in 2023, employing 7,702 people. The largest sectors by establishment count are construction (112), retail trade (105), and other services (except public administration) (81).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| New single-family housing construction contractors | 31 | 129 | 4.2 |
| Full-service restaurants | 23 | 341 | 14.8 |
| Limited-service restaurants | 20 | 274 | 13.7 |
| Plumbing, heating and air-conditioning contractors | 15 | 69 | 4.6 |
| Law offices | 14 | 48 | 3.4 |
| Insurance agencies and brokerages | 13 | — | — |
| Landscaping services | 12 | 32 | 2.7 |
| Physician practices | 11 | — | — |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in La Grande
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 La Grande, 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 10 users, the rounded average establishment size in the La Grande, OR micropolitan area. At list prices checked September 28, 2026, that is $249.50 a month on Ooma Office Pro and $300.00 on RingCentral RingEX Core. On Callata the same 10 people cost $199.00 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 | $199.00 | $2,388.00 |
| Quo (Starter) | $19.00 per user | $190.00 | $2,280.00 |
| Nextiva (Core) | $23.00 per user | $230.00 | $2,760.00 |
| Ooma (Office Pro) | $24.95 per user | $249.50 | $2,994.00 |
| Dialpad (Standard) | $27.00 per user | $270.00 | $3,240.00 |
| RingCentral (RingEX Core) | $30.00 per user | $300.00 | $3,600.00 |
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 La Grande, OR?
La Grande has exchanges in 541 and 458; 541 has the most.
How many phone companies have exchanges in La Grande?
5, holding 10 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing La Grande 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 La Grande?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 10 users come to $199.00 a month. For comparison, 10 users on RingCentral RingEX Core list at $300.00 a month (checked September 28, 2026).