CallataGuidesGet a local business phone number in Auburn, WA
Auburn's area code, prefixes and carriers from NANPA records, and how to put a Auburn number in front of your customers.
- Area code
- 253
- Exchanges
- 82NANPA-assigned
- Carriers
- 16
- Population
- 85,513Census 2024 est.
Auburn area codes
With 85,513 residents in the Census 2024 estimate, Auburn sits in King County, Washington. All 82 exchanges NANPA lists for its rate center are in area code 253. Auburn is in the Pacific time zone.
According to NANPA's dialing-plan data, local calls within 253 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 |
|---|---|---|---|---|---|
| 253 | 82 | 100% | 1997 | none | Pacific |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Phone carriers in Auburn
16 carriers hold the 82 exchanges assigned to Auburn's rate center. T-mobile USA, INC. has the most, with 27. 62 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 |
|---|---|---|
| T-mobile USA, INC. | 27 | 33% |
| Cellco Partnership d/b/a Verizon Wireless - Wa | 13 | 16% |
| Qwest Corporation | 11 | 13% |
| New Cingular Wireless PCS, LLC | 6 | 7.3% |
| Onvoy, LLC - Wa | 5 | 6.1% |
| Electric Lightwave LLC d/b/a Allstream | 4 | 4.9% |
| Level 3 Communications, LLC - Wa | 3 | 3.7% |
| Mcimetro Access Transmission Services LLC | 3 | 3.7% |
| Bandwidth.com CLEC, LLC - Wa | 2 | 2.4% |
| Teleport Communications America, LLC - Wa | 2 | 2.4% |
| Telnyx LLC | 1 | 1.2% |
| Comcast Ip Phone, LLC | 1 | 1.2% |
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.
Exchanges (NPA-NXX) assigned in Auburn
These are the central office codes NANPA records for Auburn. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 22 of the 82 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 253 | 204, 205, 217, 218, 245, 247, 249, 258, 259, 261, 263, 266, 269, 275, 285, 288, 289, 293, 294, 308, 315, 326, 329, 332, 333, 334, 335, 338, 347, 349, 350, 351, 368, 374, 378, 388, 391, 394, 397, 402, 407, 409, 410, 413, 417, 420, 421, 422, 424, 429, 436, 443, 455, 457, 486, 508, 545, 553, 561, 569, 600, 632, 653, 670, 709, 735, 736, 737, 740, 793, 797, 802, 804, 833, 876, 880, 886, 887, 929, 931, 939, 951 |
Source: NANPA utilized central office code file.
When Auburn's exchanges were assigned
Assignment dates show when each block of Auburn numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 14 | 29% |
| 2010s | 12 | 25% |
| 2020s | 22 | 46% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
How local numbers work in Auburn
What a caller sees as "local" is the area code plus prefix. In Auburn, those come from the AUBURN rate center, as recorded by NANPA.
New local numbers are drawn from carrier inventory, so the exact 253 numbers available change over time; porting an existing number is free.
The local business market
Auburn is part of the Seattle-Tacoma-Bellevue, WA metro area, home to 4.1 million people in 2024. County Business Patterns counted 110,685 business establishments in the Seattle, WA metro area in 2023, employing 1,884,361 people. The largest sectors by establishment count are professional, scientific, and technical services (14,812), construction (13,610), and health care and social assistance (13,557).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Full-service restaurants | 3,876 | 65,711 | 17.0 |
| Offices of real estate agents and brokers | 3,449 | 9,353 | 2.7 |
| Limited-service restaurants | 2,939 | 48,471 | 16.5 |
| Residential remodelers | 2,882 | 10,444 | 3.6 |
| Dental offices | 2,189 | 18,592 | 8.5 |
| Law offices | 2,146 | 15,271 | 7.1 |
| Physician practices | 1,630 | 37,420 | 23.0 |
| Landscaping services | 1,583 | 11,001 | 6.9 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Setting up a Auburn business line
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 Auburn, 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 17 users, the rounded average establishment size in the Seattle, WA metro area. At list prices checked September 28, 2026, that is $424.15 a month on Ooma Office Pro and $510.00 on RingCentral RingEX Core. On Callata the same 17 people cost $339.00 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 | $339.00 | $4,068.00 |
| Quo (Starter) | $19.00 per user | $323.00 | $3,876.00 |
| Nextiva (Core) | $23.00 per user | $391.00 | $4,692.00 |
| Ooma (Office Pro) | $24.95 per user | $424.15 | $5,089.80 |
| Dialpad (Standard) | $27.00 per user | $459.00 | $5,508.00 |
| RingCentral (RingEX Core) | $30.00 per user | $510.00 | $6,120.00 |
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 Auburn, WA?
253. All exchanges NANPA lists for Auburn are in 253.
How many phone companies have exchanges in Auburn?
16, holding 82 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Auburn 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 Auburn?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 17 users come to $339.00 a month. For comparison, 17 users on RingCentral RingEX Core list at $510.00 a month (checked September 28, 2026).