Area code 606

Area code 606 at a glance

Area code 606 is a geographic area code in Kentucky, in service since January 1, 1955, according to the North American Numbering Plan Administrator (NANPA). It is not part of an overlay, so every number in its territory starts with 606. It is in the Eastern and Central time zone. The places with the most assigned exchanges include Corbin, Pikeville, Ashland, Somerset, and London. By population, its largest named places are Ashland, Somerset, Maysville, Corbin, and London.

Where 606 numbers are local

606 holds 23% of the 2,778 central office codes assigned in Kentucky, the 3rd most of the state's 5 codes. 74 Census places could be matched to rate centers with 606 exchanges; the most populous are Ashland (21,066), Somerset (12,389), Maysville (8,711), and Corbin (7,891). For a storefront or service area inside 606, the place pages show which prefixes are rated local there.

How calls are dialed in 606

According to NANPA's dialing-plan data, local calls within 606 are dialed as seven digits and toll calls as 1 plus ten digits. Seven-digit local dialing is still permitted here, but customers calling from other area codes, and every mobile contact list, use all ten digits. NANPA's dialing-plan note for this code reads: "Some cross-boundary 7D local dialing exists"

Phone companies in area code 606

40 carriers hold the 639 central office codes assigned in 606. New Cingular Wireless PCS, LLC - Ga has the most, with 88 (14%). 398 of the codes (62%) are pooled, meaning the code holder shares blocks of 1,000 numbers with other carriers instead of using all 10,000 itself. Numbers can move between carriers through porting, so a code's holder tells you where the block started, not where every number lives now.

Local calling areas in 606

NANPA assigns each central office code to a rate center, the local calling area that decides whether a call is local or toll. 606 has codes in 126 rate centers. The table lists the rate centers with the most codes, with the matching Census place where the abbreviation could be matched.

How full is area code 606?

An area code has 800 possible central office codes that start with 2 through 9, a few of which are reserved (such as N11 service codes and 555). 639 are assigned in 606, 80% of 800. 86 were assigned in 2020 or later.

Getting a 606 number for your business

For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.

If you already have a number in area code 606, 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.