Michigan, United States
Eastern Time
1:23 AM
Area Code
989
State / Province
Michigan
Country
United States
Time Zone
Eastern Time
Area code 989 covers 135 cities and communities across Michigan, based on telephone company rate center data.
Use the E.164 format for clickable phone links (RFC 3966):
<a href="tel:+19895550100">+19895550100</a><a href="tel:+19895550199">+19895550199</a>Look up which exchange in Michigan a specific 989 number is homed to, and whether its block is wireline or wireless. See what a reverse lookup can establish before relying on the answer.
724 active prefixes in this area code, assigned as 4,996 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 4,996
| NPA-NXX | Block | Rate centre | Type | Carrier (OCN) | Switch | LATA | LIR | Dates |
|---|---|---|---|---|---|---|---|---|
| 989-200 | 0 | Pinconning | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATUMD | 344 | — | — |
| 989-200 | 1 | Pinconning | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATUMD | 344 | — | — |
| 989-200 | 2 | Pinconning | Landline or VoIP | CHARTER IP ENABLED SERVICES, LLC (792K) | SGNWMIPA2MD | 344 | — | — |
| 989-200 | 3 | Pinconning | Landline or VoIP | BANDWIDTH.COM CLEC, LLC - MI (991E) | SGNWMIFAXJX | 344 | — | — |
| 989-200 | 4 | Pinconning | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-200 | 5 | Pinconning | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-200 | 6 | Pinconning | Landline or VoIP | TELEPORT COMMUNICATIONS AMERICA, LLC - MI (770E) | SGNWMIFAXNX | 344 | — | — |
| 989-200 | 7 | Pinconning | Landline or VoIP | CENTURYLINK COMMUNICATIONS, LLC (508J) | SGNWMIFAXCY | 344 | — | — |
| 989-200 | 8 | Pinconning | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-200 | 9 | Pinconning | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATUMD | 344 | — | — |
| 989-200 | A | Pinconning | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATUMD | 344 | — | — |
| 989-201 | A | Saginaw | Wireless | AMERICAN MESSAGING SERVICES, LLC (9748) | SGNWMIFAXDX | 344 | — | — |
| 989-202 | 0 | Houghton Lake | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI (6003) | SGNWMIFAXOY | 344 | — | — |
| 989-202 | 1 | Houghton Lake | Landline or VoIP | LEVEL 3 COMMUNICATIONS, LLC - MI (6120) | SGNWMIECXQX | 344 | — | — |
| 989-202 | 2 | Houghton Lake | Landline or VoIP | CHARTER IP ENABLED SERVICES, LLC (792K) | OWTPMI023MD | 344 | — | — |
| 989-202 | 4 | Houghton Lake | Landline or VoIP | CHARTER IP ENABLED SERVICES, LLC (792K) | OWTPMI023MD | 344 | — | — |
| 989-202 | 5 | Houghton Lake | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATX2X | 344 | — | — |
| 989-202 | 6 | Houghton Lake | Landline or VoIP | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI (7279) | SGNWMIFAX5X | 344 | — | — |
| 989-202 | 7 | Houghton Lake | Landline or VoIP | LEVEL 3 COMMUNICATIONS, LLC - MI (6120) | SGNWMIECXQX | 344 | — | — |
| 989-202 | 8 | Houghton Lake | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI (6003) | SGNWMIFAXOY | 344 | — | — |
| 989-202 | 9 | Houghton Lake | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI (6003) | SGNWMIFAXOY | 344 | — | — |
| 989-202 | A | Houghton Lake | Landline or VoIP | LEVEL 3 COMMUNICATIONS, LLC - MI (6120) | SGNWMIECXQX | 344 | — | — |
| 989-203 | 0 | Vickeryville | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATX2X | 344 | — | — |
| 989-203 | 1 | Vickeryville | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-203 | 2 | Vickeryville | Landline or VoIP | BANDWIDTH.COM CLEC, LLC - MI (991E) | SGNWMIFAXJX | 344 | — | — |
| 989-203 | 3 | Vickeryville | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-203 | 4 | Vickeryville | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-203 | 5 | Vickeryville | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-203 | 6 | Vickeryville | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-203 | 7 | Vickeryville | Landline or VoIP | LEVEL 3 COMMUNICATIONS, LLC - MI (6120) | SGNWMIECXQX | 344 | — | — |
| 989-203 | 8 | Vickeryville | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-203 | 9 | Vickeryville | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-203 | A | Vickeryville | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATX2X | 344 | — | — |
| 989-204 | 0 | Crystal | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATX2X | 344 | — | — |
| 989-204 | 1 | Crystal | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATX2X | 344 | — | — |
| 989-204 | 2 | Crystal | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-204 | 3 | Crystal | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-204 | 4 | Crystal | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-204 | 5 | Crystal | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-204 | 7 | Crystal | Landline or VoIP | LEVEL 3 COMMUNICATIONS, LLC - MI (6120) | SGNWMIECXQX | 344 | — | — |
| 989-204 | 8 | Crystal | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-204 | 9 | Crystal | Wireless | ONVOY SPECTRUM, LLC (624H) | ALMAMIXGOMD | 344 | — | — |
| 989-204 | A | Crystal | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATX2X | 344 | — | — |
| 989-205 | 0 | Midland | Wireless | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC (2964) | SGNWMIFAXFY | 344 | — | — |
| 989-205 | 1 | Midland | Landline or VoIP | METROPCS, INC. (5562) | SGNWMIFAXFY | 344 | — | — |
| 989-205 | 2 | Midland | Landline or VoIP | METROPCS, INC. (5562) | SGNWMIFAXFY | 344 | — | — |
| 989-205 | 3 | Midland | Landline or VoIP | METROPCS, INC. (5562) | SGNWMIFAXFY | 344 | — | — |
| 989-205 | 4 | Midland | Landline or VoIP | METROPCS, INC. (5562) | SGNWMIFAXFY | 344 | — | — |
| 989-205 | 5 | Midland | Landline or VoIP | METROPCS, INC. (5562) | SGNWMIFAXFY | 344 | — | — |
| 989-205 | 6 | Midland | Landline or VoIP | METROPCS, INC. (5562) | SGNWMIFAXFY | 344 | — | — |
| 989-205 | 7 | Midland | Landline or VoIP | METROPCS, INC. (5562) | SGNWMIFAXFY | 344 | — | — |
| 989-205 | 8 | Midland | Landline or VoIP | METROPCS, INC. (5562) | SGNWMIFAXFY | 344 | — | — |
| 989-205 | 9 | Midland | Landline or VoIP | METROPCS, INC. (5562) | SGNWMIFAXFY | 344 | — | — |
| 989-205 | A | Midland | Landline or VoIP | METROPCS, INC. (5562) | SGNWMIFAXFY | 344 | — | — |
| 989-206 | 0 | Omer | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-206 | 1 | Omer | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATUMD | 344 | — | — |
| 989-206 | 2 | Omer | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-206 | 3 | Omer | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-206 | 4 | Omer | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-206 | 5 | Omer | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-206 | 6 | Omer | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-206 | 7 | Omer | Landline or VoIP | LEVEL 3 COMMUNICATIONS, LLC - MI (6120) | SGNWMIECXQX | 344 | — | — |
| 989-206 | 8 | Omer | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-206 | 9 | Omer | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-206 | A | Omer | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATUMD | 344 | — | — |
| 989-207 | 0 | Hope | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATUMD | 344 | — | — |
| 989-207 | 1 | Hope | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATUMD | 344 | — | — |
| 989-207 | 2 | Hope | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-207 | 3 | Hope | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-207 | 4 | Hope | Wireless | ONVOY SPECTRUM, LLC (624H) | SGNWMIFAXWY | 344 | — | — |
| 989-207 | 7 | Hope | Landline or VoIP | LEVEL 3 COMMUNICATIONS, LLC - MI (6120) | SGNWMIECXQX | 344 | — | — |
| 989-207 | 8 | Hope | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-207 | 9 | Hope | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-207 | A | Hope | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATUMD | 344 | — | — |
| 989-208 | 0 | Saginaw | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATUMD | 344 | — | — |
| 989-208 | 1 | Saginaw | Landline or VoIP | PAETEC ITEL, LLC (829J) | SGNWMIFAXEX | 344 | — | — |
| 989-208 | 2 | Saginaw | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-208 | 3 | Saginaw | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-208 | 4 | Saginaw | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-208 | 5 | Saginaw | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-208 | 6 | Saginaw | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATUMD | 344 | — | — |
| 989-208 | 7 | Saginaw | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATUMD | 344 | — | — |
| 989-208 | 8 | Saginaw | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATUMD | 344 | — | — |
| 989-208 | 9 | Saginaw | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATUMD | 344 | — | — |
| 989-208 | A | Saginaw | Landline or VoIP | PAETEC ITEL, LLC (829J) | SGNWMIFAXEX | 344 | — | — |
| 989-209 | 0 | St Johns | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI (6003) | SGNWMIFAXOY | 344 | — | — |
| 989-209 | 1 | St Johns | Landline or VoIP | ONVOY, LLCV - MI (543C) | ALMAMIXGFMD | 344 | — | — |
| 989-209 | 2 | St Johns | Wireless | ONVOY SPECTRUM, LLC (624H) | ALMAMIXGOMD | 344 | — | — |
| 989-209 | 3 | St Johns | Landline or VoIP | ONVOY, LLCV - MI (543C) | SGNWMIFAXKX | 344 | — | — |
| 989-209 | 4 | St Johns | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI (6003) | SGNWMIFAXOY | 344 | — | — |
| 989-209 | 5 | St Johns | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATX2X | 344 | — | — |
| 989-209 | 6 | St Johns | Wireless | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI (6003) | SGNWMIFAXOY | 344 | — | — |
| 989-209 | 7 | St Johns | Wireless | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC (2964) | SGNWMIFAXFY | 344 | — | — |
| 989-209 | 8 | St Johns | Wireless | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC (2964) | SGNWMIFAXFY | 344 | — | — |
| 989-209 | 9 | St Johns | Wireless | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC (2964) | SGNWMIFAXFY | 344 | — | — |
| 989-209 | A | St Johns | Wireless | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC (2964) | SGNWMIFAXFY | 344 | — | — |
| 989-210 | 0 | Au Gres | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATUMD | 344 | — | — |
| 989-210 | 1 | Au Gres | Wireless | NEW CINGULAR WIRELESS PCS, LLC - IL (6534) | SGNWMIATUMD | 344 | — | — |
| 989-210 | 2 | Au Gres | Wireless | ONVOY SPECTRUM, LLC (624H) | SGNWMIFAXWY | 344 | — | — |
| 989-210 | 6 | Au Gres | Landline or VoIP | TELEPORT COMMUNICATIONS AMERICA, LLC - MI (770E) | SGNWMIFAXNX | 344 | — | — |
Block-level assignments from the North American Numbering Plan administrator, via localcallingguide.com.
Assigned Prefixes
724
Assignment Blocks
4,996
Rate Centers
135
Carriers of Record
60
| Type | Blocks | Share |
|---|---|---|
| Landline | 846 | 17% |
| Landline or VoIP | 2,382 | 48% |
| Wireless | 1,768 | 35% |
| Carrier | Blocks |
|---|---|
| ONVOY, LLCV - MI | 726 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 606 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 558 |
| OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 415 |
| FRONTIER NORTH, INC. - MI | 351 |
| MICHIGAN BELL TEL CO | 319 |
| LEVEL 3 COMMUNICATIONS, LLC - MI | 220 |
| CHARTER IP ENABLED SERVICES, LLC | 161 |
| BANDWIDTH.COM CLEC, LLC - MI | 153 |
| ONVOY SPECTRUM, LLC | 134 |
| 50 other carriers | 1,353 |
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 |
|---|---|---|
| Saginaw | 114 | 831 |
| Midland | 37 | 236 |
| Bay City | 29 | 166 |
| Mount Pleasant | 27 | 163 |
| Owosso | 18 | 102 |
| Alma | 16 | 82 |
| Gaylord | 16 | 91 |
| Alpena | 15 | 78 |
| Clare | 11 | 67 |
| Gladwin | 11 | 63 |
| St Johns | 11 | 79 |
| West Branch | 10 | 70 |
| Bad Axe | 9 | 55 |
| East Tawas | 9 | 81 |
| Grayling | 9 | 59 |
| Caro | 8 | 46 |
| Ithaca | 8 | 62 |
| Oscoda | 8 | 40 |
| Pinconning | 8 | 59 |
| Houghton Lake | 7 | 56 |
| Standish | 7 | 40 |
| Freeland | 6 | 54 |
| Harrison | 6 | 51 |
| Maple Rapids | 6 | 47 |
| Pigeon | 6 | 7 |
| Vassar | 6 | 46 |
| Akron | 5 | 24 |
| Auburn | 5 | 34 |
| Birch Run | 5 | 43 |
| Cass City | 5 | 28 |
| Farwell | 5 | 49 |
| Fowler-Pewamo | 5 | 49 |
| Roscommon | 5 | 28 |
| Ashley | 4 | 17 |
| Atlanta | 4 | 29 |
| Au Gres | 4 | 24 |
| Beaverton | 4 | 41 |
| Chesaning | 4 | 33 |
| Clifford | 4 | 17 |
| Crystal | 4 | 31 |
| Durand | 4 | 18 |
| Elsie | 4 | 15 |
| Frankenmuth | 4 | 34 |
| Hale | 4 | 28 |
| Higgins Lake | 4 | 39 |
| Hope | 4 | 28 |
| Hubbardston | 4 | 20 |
| Lakeview | 4 | 34 |
| Mayville | 4 | 28 |
| Ovid | 4 | 44 |
| Prescott | 4 | 29 |
| Reese | 4 | 35 |
| Remus | 4 | 26 |
| Rogers City | 4 | 28 |
| Sebewaing | 4 | 26 |
| St Helen | 4 | 36 |
| Stanton | 4 | 27 |
| Vickeryville | 4 | 29 |
| Alger | 3 | 21 |
| Barryton | 3 | 21 |
| Breckenridge | 3 | 23 |
| Carson City | 3 | 19 |
| Caseville | 3 | 18 |
| Coleman | 3 | 33 |
| Edmore | 3 | 28 |
| Fairview | 3 | 15 |
| Fenwick | 3 | 18 |
| Gaines | 3 | 22 |
| Glennie | 3 | 17 |
| Hemlock | 3 | 28 |
| Kinde | 3 | 18 |
| Lewiston | 3 | 25 |
| Linwood | 3 | 30 |
| Lupton | 3 | 20 |
| McBride | 3 | 18 |
| Merrill | 3 | 24 |
| Minden City | 3 | 17 |
| Omer | 3 | 23 |
| Onaway | 3 | 28 |
| Port Austin | 3 | 16 |
| Port Hope | 3 | 17 |
| Rose City | 3 | 21 |
| Rosebush | 3 | 23 |
| Shepherd | 3 | 27 |
| Sixty Lakes | 3 | 19 |
| St Charles | 3 | 28 |
| St Louis | 3 | 29 |
| Sterling | 3 | 17 |
| Ubly | 3 | 30 |
| Weidman | 3 | 20 |
| Whittemore | 3 | 15 |
| Bay Port | 2 | 20 |
| Blanchard | 2 | 3 |
| Chapin | 2 | 3 |
| Chester | 2 | 4 |
| Elkton | 2 | 19 |
| Fairgrove | 2 | 19 |
| Gagetown | 2 | 21 |
| Grace Harbor | 2 | 3 |
| Harbor Beach | 2 | 19 |
| Kingston | 2 | 17 |
| Lincoln | 2 | 20 |
| Marlette | 2 | 10 |
| Middleton | 2 | 16 |
| Millington | 2 | 16 |
| Mio | 2 | 19 |
| Muir | 2 | 19 |
| Owendale | 2 | 15 |
| Pompeii | 2 | 15 |
| Riverdale | 2 | 14 |
| Sand Lake Heights | 2 | 12 |
| Sanford | 2 | 19 |
| Sheridan | 2 | 21 |
| Sidney | 2 | 18 |
| Six Lakes | 2 | 18 |
| Twining | 2 | 4 |
| Unionville | 2 | 15 |
| Vanderbilt | 2 | 18 |
| Vestaburg | 2 | 20 |
| Bancroft | 1 | 10 |
| Brant | 1 | 10 |
| Fostoria | 1 | 11 |
| Harrisville | 1 | 11 |
| Hillman | 1 | 11 |
| Hubbard Lake | 1 | 10 |
| Lachine | 1 | 11 |
| Long Lake | 1 | 10 |
| Manistee River | 1 | 1 |
| Munger | 1 | 9 |
| Ossineke | 1 | 10 |
| Palo | 1 | 11 |
| Posen | 1 | 10 |
| Robbs Creek | 1 | 3 |
| Westphalia | 1 | 11 |
| Winn | 1 | 10 |
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 989 is a North American Numbering Plan (NANP) telephone area code assigned to Michigan, United States. It is one of 13 area codes serving Michigan. 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. 989 is an active North American Numbering Plan (NANP) area code, currently assigned to Michigan, United States. It is safe to answer or dial calls using this area code.
Area code 989 covers 135 cities and communities in Michigan, including Akron, Alger, Alma, Alpena, Ashley, and 130 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 989 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 989 number from a different time zone, check the current local time above to avoid calling outside of business hours.
From within Michigan, dial the 7-digit local number directly if calling within the same rate center, or dial 1 + 989 + 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 1 989 XXX XXXX. The country code for both the United States and Canada in NANP is +1.
Format 989 numbers using E.164 notation as required by RFC 3966: prefix with +1 and omit dashes and parentheses (e.g., +19895550100). This format ensures tel: links work correctly on all mobile browsers and VoIP apps. See the tel: URI formatting guide for complete examples.