Local Calling Guide
Area code/prefix search
Clarklake, MI
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 517-305
| A |
LNNGMIVE2MD |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
346 |
|
|
|
| 517-305
| 0 |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
346 |
|
2008-10-31 |
|
| 517-305
| 1 |
|
543C ONVOY, LLCV - MI |
346 |
|
2016-04-02 |
|
| 517-305
| 2 |
|
543C ONVOY, LLCV - MI |
346 |
|
2012-10-14 |
|
| 517-305
| 3 |
|
770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI |
346 |
|
2016-03-21 |
|
| 517-305
| 4 |
|
543C ONVOY, LLCV - MI |
346 |
|
2013-01-30 |
|
| 517-305
| 6 |
|
516C AT&T CORP. |
346 |
|
2011-09-30 |
|
| 517-305
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
346 |
|
2016-01-01 |
|
| 517-305
| 8 |
|
543C ONVOY, LLCV - MI |
346 |
|
2016-04-02 |
|
| 517-529
| A |
CLRKMIMNRSA |
9323 MICHIGAN BELL TEL CO |
346 |
|
|
|
| 517-529
| 0 |
|
9323 MICHIGAN BELL TEL CO |
346 |
|
|
|
| 517-529
| 1 |
|
9323 MICHIGAN BELL TEL CO |
346 |
|
|
|
| 517-529
| 2 |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
346 |
|
2005-06-24 |
|
| 517-529
| 3 |
|
9323 MICHIGAN BELL TEL CO |
346 |
|
|
|
| 517-529
| 4 |
|
9323 MICHIGAN BELL TEL CO |
346 |
|
|
|
| 517-529
| 5 |
|
9323 MICHIGAN BELL TEL CO |
346 |
|
|
|
| 517-529
| 6 |
|
817J INTERACTIVE SERVICES NETWORK, INC. |
346 |
|
2005-09-03 |
|
| 517-529
| 7 |
|
318J COMCAST IP PHONE, LLC |
346 |
|
2007-06-08 |
|
| 517-529
| 8 |
|
9323 MICHIGAN BELL TEL CO |
346 |
|
|
|
| 517-529
| 9 |
|
9323 MICHIGAN BELL TEL CO |
346 |
|
|
|
| 517-907
| A |
MDTPMICODS0 |
3535 ACD TELECOM, INC. - MI |
346 |
|
|
|
| 517-907
| 4 |
|
3535 ACD TELECOM, INC. - MI |
346 |
|
|
|
| 517-907
| 5 |
|
543C ONVOY, LLCV - MI |
346 |
|
2021-03-05 |
|
| 517-907
| 6 |
|
543C ONVOY, LLCV - MI |
346 |
|
2021-03-05 |
|
| 517-907
| 7 |
|
3535 ACD TELECOM, INC. - MI |
346 |
|
|
|
| 517-907
| 8 |
|
624H ONVOY SPECTRUM, LLC |
346 |
|
2021-06-17 |
|
Last updated: Thu, 01 Jan 2026 03:59:49 UTC
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