Kentucky, United States
Eastern Time
1:08 AM
Area Code
606
State / Province
Kentucky
Country
United States
Time Zone
Eastern Time
Area code 606 covers 125 cities and communities across Kentucky, based on telephone company rate center data.
Use the E.164 format for clickable phone links (RFC 3966):
<a href="tel:+16065550100">+16065550100</a><a href="tel:+16065550199">+16065550199</a>Look up which exchange in Kentucky a specific 606 number is homed to, and whether its block is wireline or wireless. See what a reverse lookup can establish before relying on the answer.
633 active prefixes in this area code, assigned as 3,749 thousands-blocks — pooling splits one prefix across several carriers, so each block is listed separately with the rate centre it is homed to, its carrier of record, and the switch that serves it.
Showing blocks 1–100 of 3,749
| NPA-NXX | Block | Rate centre | Type | Carrier (OCN) | Switch | LATA | LIR | Dates |
|---|---|---|---|---|---|---|---|---|
| 606-200 | 0 | Pikeville | Wireless | POWERTEL KENTUCKY LICENSES, INC. (365C) | WNCHKYMAXPY | 466 | — | — |
| 606-200 | 1 | Pikeville | Wireless | POWERTEL KENTUCKY LICENSES, INC. (365C) | WNCHKYMAXPY | 466 | — | — |
| 606-200 | 2 | Pikeville | Wireless | POWERTEL KENTUCKY LICENSES, INC. (365C) | WNCHKYMAXPY | 466 | — | — |
| 606-200 | 3 | Pikeville | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC (7229) | LXTNKY24HMD | 466 | — | — |
| 606-200 | 4 | Pikeville | Wireless | POWERTEL KENTUCKY LICENSES, INC. (365C) | WNCHKYMAXPY | 466 | — | — |
| 606-200 | 5 | Pikeville | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC (7229) | LXTNKY24HMD | 466 | — | — |
| 606-200 | 6 | Pikeville | Wireless | POWERTEL KENTUCKY LICENSES, INC. (365C) | WNCHKYMAXPY | 466 | — | — |
| 606-200 | 7 | Pikeville | Landline or VoIP | TELEPORT COMMUNICATIONS AMERICA, LLC - KY (8406) | WNCHKYMAXUX | 466 | — | — |
| 606-200 | 8 | Pikeville | Wireless | POWERTEL KENTUCKY LICENSES, INC. (365C) | WNCHKYMAXPY | 466 | — | — |
| 606-200 | 9 | Pikeville | Landline or VoIP | PAETEC ITEL, LLC (829J) | WNCHKYMAX5Z | 466 | — | — |
| 606-200 | A | Pikeville | Landline or VoIP | PAETEC ITEL, LLC (829J) | WNCHKYMAX5Z | 466 | — | — |
| 606-201 | 1 | Pine Knot | Landline or VoIP | TWC IP ENABLED SERVICES, LLC (793K) | SMRTKYXAX5X | 466 | — | — |
| 606-201 | A | Pine Knot | Landline or VoIP | TWC IP ENABLED SERVICES, LLC (793K) | SMRTKYXAX5X | 466 | — | — |
| 606-202 | 0 | Vanceburg | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-202 | 1 | Vanceburg | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-202 | 2 | Vanceburg | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-202 | 3 | Vanceburg | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-202 | 4 | Vanceburg | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-202 | 7 | Vanceburg | Landline or VoIP | ONVOY, LLC - KY (896E) | LXTNKYXAX2Z | 466 | — | — |
| 606-202 | 8 | Vanceburg | Landline or VoIP | ONVOY, LLC - KY (896E) | LXTNKYXAX2Z | 466 | — | — |
| 606-202 | A | Vanceburg | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-203 | 0 | Dover | Landline or VoIP | TELNYX LLC (073H) | DAVLKYMAX7X | 466 | — | — |
| 606-203 | 1 | Dover | Landline or VoIP | ONVOY, LLC - KY (896E) | LXTNKYXAX2Z | 466 | — | — |
| 606-203 | 2 | Dover | Landline or VoIP | ONVOY, LLC - KY (896E) | LXTNKYXAX2Z | 466 | — | — |
| 606-203 | 3 | Dover | Landline or VoIP | ONVOY, LLC - KY (896E) | LXTNKYXAX2Z | 466 | — | — |
| 606-203 | 4 | Dover | Landline or VoIP | ONVOY, LLC - KY (896E) | LXTNKYXAX2Z | 466 | — | — |
| 606-203 | 5 | Dover | Landline or VoIP | ONVOY, LLC - KY (896E) | LXTNKYXAX2Z | 466 | — | — |
| 606-203 | 6 | Dover | Landline or VoIP | ONVOY, LLC - KY (896E) | LXTNKYXAX2Z | 466 | — | — |
| 606-203 | 8 | Dover | Landline or VoIP | TELNYX LLC (073H) | DAVLKYMAX7X | 466 | — | — |
| 606-203 | 9 | Dover | Landline or VoIP | ONVOY, LLC - KY (896E) | LXTNKYXAX2Z | 466 | — | — |
| 606-203 | A | Dover | Landline or VoIP | ONVOY, LLC - KY (896E) | LXTNKYXAX2Z | 466 | — | — |
| 606-205 | A | Pikeville | Wireless | NEW CINGULAR WIRELESS PCS, LLC - GA (6214) | WNCHKYMAX9Y | 466 | — | — |
| 606-206 | 0 | Mount Olivet | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-206 | 1 | Mount Olivet | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-206 | 2 | Mount Olivet | Landline or VoIP | LEVEL 3 COMMUNICATIONS, LLC - KY (4369) | GRTWKYMAJMD | 466 | — | — |
| 606-206 | 7 | Mount Olivet | Landline or VoIP | ONVOY, LLC - KY (896E) | LXTNKYXAX2Z | 466 | — | — |
| 606-206 | 8 | Mount Olivet | Landline or VoIP | ONVOY, LLC - KY (896E) | LXTNKYXAX2Z | 466 | — | — |
| 606-206 | A | Mount Olivet | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-207 | 0 | Morehead | Wireless | NEW CINGULAR WIRELESS PCS, LLC - GA (6214) | MRHDKYXAFMD | 466 | — | — |
| 606-207 | 1 | Morehead | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-207 | 2 | Morehead | Wireless | NEW CINGULAR WIRELESS PCS, LLC - GA (6214) | MRHDKYXAFMD | 466 | — | — |
| 606-207 | 3 | Morehead | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-207 | 4 | Morehead | Wireless | NEW CINGULAR WIRELESS PCS, LLC - GA (6214) | MRHDKYXAFMD | 466 | — | — |
| 606-207 | 5 | Morehead | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-207 | 6 | Morehead | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-207 | 7 | Morehead | Wireless | NEW CINGULAR WIRELESS PCS, LLC - GA (6214) | MRHDKYXAFMD | 466 | — | — |
| 606-207 | 8 | Morehead | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-207 | 9 | Morehead | Wireless | NEW CINGULAR WIRELESS PCS, LLC - GA (6214) | MRHDKYXAFMD | 466 | — | — |
| 606-207 | A | Morehead | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-208 | 0 | Beattyville | Landline or VoIP | ONVOY, LLC - KY (896E) | WNCHKYMAEMD | 466 | — | — |
| 606-208 | 1 | Beattyville | Landline or VoIP | INTER MOUNTAIN CABLE DBA MIKROTEC COMMUNICATIONS (2623) | WNCHKYTFAMD | 466 | — | — |
| 606-208 | 2 | Beattyville | Landline or VoIP | ONVOY, LLC - KY (896E) | WNCHKYMAEMD | 466 | — | — |
| 606-208 | 3 | Beattyville | Landline or VoIP | ONVOY, LLC - KY (896E) | WNCHKYMAEMD | 466 | — | — |
| 606-208 | 4 | Beattyville | Wireless | NEW CINGULAR WIRELESS PCS, LLC - GA (6214) | WNCHKYMAX9Y | 466 | — | — |
| 606-208 | 6 | Beattyville | Wireless | ONVOY SPECTRUM, LLC (624H) | WNCHKYMAXTY | 466 | — | — |
| 606-208 | 7 | Beattyville | Wireless | ONVOY SPECTRUM, LLC (624H) | WNCHKYMAXTY | 466 | — | — |
| 606-208 | 8 | Beattyville | Landline or VoIP | AT&T CORP. (516C) | WNCHKYMAXMY | 466 | — | — |
| 606-208 | 9 | Beattyville | Landline or VoIP | TELNYX LLC (073H) | DAVLKYMAX7X | 466 | — | — |
| 606-208 | A | Beattyville | Landline or VoIP | INTER MOUNTAIN CABLE DBA MIKROTEC COMMUNICATIONS (2623) | WNCHKYTFAMD | 466 | — | — |
| 606-209 | 0 | Flemingsburg | Landline or VoIP | TWC IP ENABLED SERVICES, LLC (793K) | MRHDKYXAVMD | 466 | — | — |
| 606-209 | 1 | Flemingsburg | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-209 | 2 | Flemingsburg | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-209 | 3 | Flemingsburg | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-209 | 4 | Flemingsburg | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-209 | A | Flemingsburg | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-210 | 0 | Owingsville | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-210 | 1 | Owingsville | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-210 | 2 | Owingsville | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-210 | 3 | Owingsville | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-210 | 4 | Owingsville | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-210 | A | Owingsville | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY (6500) | LXTNKY24X5Y | 466 | — | — |
| 606-212 | 0 | Jenkins | Landline or VoIP | ONVOY, LLC - KY (896E) | WNCHKYMAEMD | 466 | — | — |
| 606-212 | 1 | Jenkins | Landline or VoIP | INTER MOUNTAIN CABLE DBA MIKROTEC COMMUNICATIONS (2623) | WNCHKYTFAMD | 466 | — | — |
| 606-212 | 2 | Jenkins | Landline or VoIP | ONVOY, LLC - KY (896E) | WNCHKYMAEMD | 466 | — | — |
| 606-212 | 3 | Jenkins | Landline or VoIP | ONVOY, LLC - KY (896E) | WNCHKYMAEMD | 466 | — | — |
| 606-212 | 4 | Jenkins | Landline or VoIP | ONVOY, LLC - KY (896E) | WNCHKYMAEMD | 466 | — | — |
| 606-212 | 6 | Jenkins | Landline or VoIP | INTER MOUNTAIN CABLE DBA MIKROTEC COMMUNICATIONS (2623) | WNCHKYTFAMD | 466 | — | — |
| 606-212 | 8 | Jenkins | Landline or VoIP | TELNYX LLC (073H) | DAVLKYMAX7X | 466 | — | — |
| 606-212 | 9 | Jenkins | Landline or VoIP | TELNYX LLC (073H) | DAVLKYMAX7X | 466 | — | — |
| 606-212 | A | Jenkins | Landline or VoIP | INTER MOUNTAIN CABLE DBA MIKROTEC COMMUNICATIONS (2623) | WNCHKYTFAMD | 466 | — | — |
| 606-213 | A | Pikeville | Wireless | EAST KENTUCKY NETWRK, LLC DBA APPALACHIAN WIRELESS (6940) | IVEL | 466 | — | — |
| 606-214 | 0 | Whitesburg | Landline or VoIP | ONVOY, LLC - KY (896E) | WNCHKYMAEMD | 466 | — | — |
| 606-214 | 1 | Whitesburg | Landline or VoIP | TELNYX LLC (073H) | DAVLKYMAX7X | 466 | — | — |
| 606-214 | 3 | Whitesburg | Landline or VoIP | TELNYX LLC (073H) | DAVLKYMAX7X | 466 | — | — |
| 606-214 | 4 | Whitesburg | Landline or VoIP | TELNYX LLC (073H) | DAVLKYMAX7X | 466 | — | — |
| 606-214 | 5 | Whitesburg | Landline or VoIP | ONVOY, LLC - KY (896E) | WNCHKYMAEMD | 466 | — | — |
| 606-214 | 6 | Whitesburg | Landline or VoIP | TELEPORT COMMUNICATIONS AMERICA, LLC - KY (8406) | WNCHKYMAXUX | 466 | — | — |
| 606-214 | 7 | Whitesburg | Landline or VoIP | ONVOY, LLC - KY (896E) | WNCHKYMAEMD | 466 | — | — |
| 606-214 | 8 | Whitesburg | Landline or VoIP | TELNYX LLC (073H) | DAVLKYMAX7X | 466 | — | — |
| 606-214 | 9 | Whitesburg | Landline or VoIP | TELNYX LLC (073H) | DAVLKYMAX7X | 466 | — | — |
| 606-214 | A | Whitesburg | Landline or VoIP | TELNYX LLC (073H) | DAVLKYMAX7X | 466 | — | — |
| 606-215 | 0 | Corbin | Wireless | POWERTEL KENTUCKY LICENSES, INC. (365C) | WNCHKYMAXPY | 466 | — | — |
| 606-215 | 1 | Corbin | Wireless | POWERTEL KENTUCKY LICENSES, INC. (365C) | WNCHKYMAXPY | 466 | — | — |
| 606-215 | 2 | Corbin | Landline or VoIP | METROPCS, INC. (5562) | WNCHKYMAXPY | 466 | — | — |
| 606-215 | 3 | Corbin | Landline or VoIP | TWC IP ENABLED SERVICES, LLC (793K) | WNCHKYMAX7Z | 466 | — | — |
| 606-215 | 4 | Corbin | Wireless | POWERTEL KENTUCKY LICENSES, INC. (365C) | WNCHKYMAXPY | 466 | — | — |
| 606-215 | 5 | Corbin | Wireless | POWERTEL KENTUCKY LICENSES, INC. (365C) | WNCHKYMAXPY | 466 | — | — |
| 606-215 | 6 | Corbin | Wireless | POWERTEL KENTUCKY LICENSES, INC. (365C) | WNCHKYMAXPY | 466 | — | — |
| 606-215 | 7 | Corbin | Wireless | POWERTEL KENTUCKY LICENSES, INC. (365C) | WNCHKYMAXPY | 466 | — | — |
| 606-215 | 8 | Corbin | Landline or VoIP | TELNYX LLC (073H) | DAVLKYMAX7X | 466 | — | — |
Block-level assignments from the North American Numbering Plan administrator, via localcallingguide.com.
Assigned Prefixes
633
Assignment Blocks
3,749
Rate Centers
125
Carriers of Record
47
| Type | Blocks | Share |
|---|---|---|
| Landline | 394 | 11% |
| Landline or VoIP | 1,705 | 45% |
| Wireless | 1,650 | 44% |
| Carrier | Blocks |
|---|---|
| ONVOY, LLC - KY | 792 |
| NEW CINGULAR WIRELESS PCS, LLC - GA | 731 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | 339 |
| POWERTEL KENTUCKY LICENSES, INC. | 257 |
| LEVEL 3 COMMUNICATIONS, LLC - KY | 183 |
| ONVOY SPECTRUM, LLC | 142 |
| TWC IP ENABLED SERVICES, LLC | 119 |
| BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 114 |
| TELNYX LLC | 114 |
| WINDSTREAM KENTUCKY EAST, INC. - LONDON | 109 |
| 37 other carriers | 849 |
Carrier of record for each block. Numbers ported to another carrier keep their original block assignment, so this is not a lookup of who serves a given number today.
| Rate Center | Prefixes | Blocks |
|---|---|---|
| Corbin | 37 | 331 |
| Pikeville | 31 | 176 |
| Ashland | 25 | 158 |
| Somerset | 24 | 147 |
| London | 21 | 157 |
| Hazard | 15 | 50 |
| Morehead | 15 | 67 |
| Middlesboro | 14 | 125 |
| Meads | 13 | 93 |
| Paintsville | 12 | 46 |
| Whitesburg | 12 | 62 |
| Barbourville | 10 | 69 |
| Manchester | 10 | 62 |
| Harlan | 9 | 36 |
| Jackson | 9 | 41 |
| Allen | 8 | 44 |
| Beattyville | 8 | 44 |
| Grayson | 8 | 52 |
| Irvine | 8 | 38 |
| Maysville | 8 | 54 |
| Monticello | 8 | 58 |
| Prestonsburg | 8 | 52 |
| Russell | 8 | 28 |
| Williamsburg | 8 | 67 |
| Albany | 7 | 37 |
| Flemingsburg | 7 | 33 |
| Freeburn | 7 | 38 |
| Olive Hill | 7 | 62 |
| South Williamson | 7 | 38 |
| Stanford | 7 | 55 |
| Stanton | 7 | 46 |
| Louisa | 6 | 30 |
| Mount Vernon | 6 | 48 |
| Catlettsburg | 5 | 18 |
| Cumberland | 5 | 24 |
| Evarts | 5 | 25 |
| Hyden | 5 | 26 |
| Liberty | 5 | 42 |
| Owingsville | 5 | 30 |
| Pineville | 5 | 31 |
| Staffordsville | 5 | 19 |
| Stearns-Whitley City | 5 | 37 |
| Vanceburg | 5 | 31 |
| Warfield | 5 | 32 |
| Brooksville | 4 | 32 |
| Burnside | 4 | 24 |
| Harold | 4 | 5 |
| Hustonville | 4 | 27 |
| Inez | 4 | 25 |
| Jellico | 4 | 29 |
| Mount Olivet | 4 | 27 |
| Stone | 4 | 41 |
| Virgie | 4 | 25 |
| Washington | 4 | 19 |
| Benham-Lynch | 3 | 17 |
| Brodhead | 3 | 16 |
| Dover | 3 | 27 |
| East Bernstadt | 3 | 15 |
| Elkhorn City | 3 | 17 |
| Eubank | 3 | 16 |
| Ewing | 3 | 19 |
| Faubush | 3 | 17 |
| Fedscreek | 3 | 15 |
| Fernleaf | 3 | 15 |
| Flat Lick | 3 | 16 |
| Frenchburg | 3 | 17 |
| Greenup | 3 | 18 |
| Hindman | 3 | 9 |
| Jenkins | 3 | 16 |
| Leatherwood | 3 | 13 |
| Livingston | 3 | 18 |
| McCarr | 3 | 14 |
| McDowell | 3 | 14 |
| Neon | 3 | 17 |
| Pine Knot | 3 | 14 |
| Salyersville | 3 | 4 |
| Science Hill | 3 | 15 |
| South Shore | 3 | 19 |
| Tollesboro | 3 | 12 |
| Vicco | 3 | 15 |
| Wallins Creek | 3 | 31 |
| Wayland | 3 | 24 |
| Augusta | 2 | 21 |
| Campton | 2 | 12 |
| Canoe | 2 | 3 |
| Chapman | 2 | 7 |
| Crab Orchard | 2 | 11 |
| Garrison | 2 | 11 |
| Germantown | 2 | 14 |
| Hillsboro | 2 | 10 |
| Johnsville | 2 | 13 |
| Lewisburg (Mason) | 2 | 9 |
| Martin | 2 | 11 |
| Mays Lick | 2 | 16 |
| McKee | 2 | 2 |
| Nancy | 2 | 11 |
| Oneida | 2 | 12 |
| Salt Lick | 2 | 11 |
| Sharpsburg | 2 | 9 |
| Shopville | 2 | 8 |
| West Liberty | 2 | 12 |
| White Lily | 2 | 9 |
| Wooton | 2 | 11 |
| Annville | 1 | 1 |
| Blaine | 1 | 1 |
| Bledsoe | 1 | 6 |
| Booneville | 1 | 1 |
| Buckhorn | 1 | 9 |
| Cody | 1 | 1 |
| Dwarf | 1 | 10 |
| Ezel | 1 | 1 |
| Fallsburg | 1 | 1 |
| Fisty | 1 | 1 |
| Flat Gap | 1 | 1 |
| Grethel | 1 | 1 |
| Hazel Green | 1 | 1 |
| Jeptha | 1 | 1 |
| Mousie | 1 | 1 |
| Pippa Passes | 1 | 1 |
| Royalton | 1 | 1 |
| Sandgap | 1 | 1 |
| Sandy Hook | 1 | 1 |
| Stinnett | 1 | 10 |
| Topmost | 1 | 1 |
| Wheelwright | 1 | 1 |
A rate center is the telephone exchange area a number is homed to. It sets local calling boundaries, and is not the caller's current location.
Area code 606 is a North American Numbering Plan (NANP) telephone area code assigned to Kentucky, United States. It is one of 5 area codes serving Kentucky. As population and demand for phone numbers grew, the region was divided into multiple numbering plan areas to avoid exhausting the available 7-digit number pool.
Yes. 606 is an active North American Numbering Plan (NANP) area code, currently assigned to Kentucky, United States. It is safe to answer or dial calls using this area code.
Area code 606 covers 125 cities and communities in Kentucky, including Albany, Allen, Annville, Ashland, Augusta, and 120 more localities. This is based on telephone company rate center data — the geographic areas carriers use to determine local calling boundaries and to assign numbers when a business or individual requests a phone number in a specific city.
All numbers in the 606 area code observe Eastern Time (IANA timezone: America/New_York). Eastern Time is UTC−5 in winter (EST) and UTC−4 in summer (EDT). When placing a call to a 606 number from a different time zone, check the current local time above to avoid calling outside of business hours.
From within Kentucky, dial the 7-digit local number directly if calling within the same rate center, or dial 1 + 606 + 7-digit number for long-distance calls within North America. From outside the US or Canada, dial your country's international exit code followed by 1 606 XXX XXXX. The country code for both the United States and Canada in NANP is +1.
Format 606 numbers using E.164 notation as required by RFC 3966: prefix with +1 and omit dashes and parentheses (e.g., +16065550100). This format ensures tel: links work correctly on all mobile browsers and VoIP apps. See the tel: URI formatting guide for complete examples.