Local Calling Guide
Area code/prefix search
Port Austin, MI
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 989-242
| A |
|
817J INTERACTIVE SERVICES NETWORK, INC. |
344 |
|
|
|
| 989-738
| A |
PTASMIXIDS0 |
0702 BRIGHTSPEED OF MICHIGAN, LLC |
344 |
|
|
|
| 989-738
| 0 |
|
318J COMCAST IP PHONE, LLC |
344 |
|
2010-11-30 |
|
| 989-738
| 5 |
|
0702 BRIGHTSPEED OF MICHIGAN, LLC |
344 |
|
|
|
| 989-738
| 6 |
|
0702 BRIGHTSPEED OF MICHIGAN, LLC |
344 |
|
|
|
| 989-738
| 7 |
|
0702 BRIGHTSPEED OF MICHIGAN, LLC |
344 |
|
|
|
| 989-738
| 8 |
|
0702 BRIGHTSPEED OF MICHIGAN, LLC |
344 |
|
|
|
| 989-768
| A |
SGNWMIATUMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
344 |
|
|
|
| 989-768
| 0 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
344 |
|
|
|
| 989-768
| 1 |
|
145J TERRA NOVA TELECOM INC. |
344 |
|
2025-06-05 |
|
| 989-768
| 2 |
|
624H ONVOY SPECTRUM, LLC |
344 |
|
2024-08-11 |
|
| 989-768
| 3 |
|
770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI |
344 |
|
2018-10-26 |
|
| 989-768
| 4 |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
344 |
|
2015-05-06 |
|
| 989-768
| 7 |
|
543C ONVOY, LLCV - MI |
344 |
|
2020-11-27 |
|
| 989-768
| 8 |
|
543C ONVOY, LLCV - MI |
344 |
|
2020-11-27 |
|
| 989-768
| 9 |
|
543C ONVOY, LLCV - MI |
344 |
|
2018-10-20 |
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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