Get a local business phone number in Coulee Dam, WA

What area code is Coulee Dam, WA?

Coulee Dam town is a Census place in Okanogan County, Washington, with an estimated 1,242 residents in 2024. All 3 exchanges NANPA lists for its rate center are in area code 509. Coulee Dam 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.

Phone carriers in Coulee Dam

3 carriers hold the 3 exchanges assigned to Coulee Dam's rate center. Onvoy, 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. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.

Local prefixes for Coulee Dam

These are the central office codes NANPA records for Coulee Dam. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. None were assigned in 2020 or later.

How local numbers work in Coulee Dam

Phone numbers are tied to a rate center, the local calling area used to decide whether a call is local or toll. Coulee Dam's numbers are rated to the COULEE DAM rate center in NANPA's records. A business number from one of the prefixes above shows up on customers' phones as a Coulee Dam number.

Keeping an existing Coulee Dam number costs nothing on Callata, because porting is free; a new number depends on what carriers have open in 509 when you pick it.

Who does business near Coulee Dam

Coulee Dam is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 202,177 business establishments in Washington in 2023, employing 3,056,235 people. The largest sectors by establishment count are construction (27,190), health care and social assistance (23,923), and professional, scientific, and technical services (23,574).

Business phone service in Coulee Dam

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

Porting a number you already use in Coulee Dam is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.

AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.

A 15-person team is the benchmark here, the rounded average establishment size in Washington. Billed per seat at month-to-month list prices (checked September 28, 2026), RingCentral RingEX Core costs $450.00 a month and Ooma Office Pro $374.25. Callata comes to $299.00 a month for 15 users ($99 a month with 5 users included, then $20 per additional user), below both.