Local Calling Guide
Area code/prefix search
Interlochen, MI
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 231-212
| A |
TRCYMIMNWMD |
508J CENTURYLINK COMMUNICATIONS, LLC |
348 |
|
|
|
| 231-212
| 0 |
|
2550 123.NET, LLC |
348 |
|
2020-01-04 |
|
| 231-212
| 1 |
|
624H ONVOY SPECTRUM, LLC |
348 |
|
2021-11-22 |
|
| 231-212
| 3 |
|
624H ONVOY SPECTRUM, LLC |
348 |
|
2021-06-19 |
|
| 231-212
| 5 |
|
624H ONVOY SPECTRUM, LLC |
348 |
|
2021-11-22 |
|
| 231-212
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
348 |
|
2016-09-23 |
|
| 231-212
| 9 |
|
933G PEERLESS NETWORK OF MICHIGAN, LLC - MI |
348 |
|
2023-09-22 |
|
| 231-276
| A |
GRWNMIMNRS0 |
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-276
| 0 |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-276
| 1 |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
2004-11-12 |
|
| 231-276
| 2 |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
348 |
|
2007-04-08 |
|
| 231-276
| 3 |
|
792K CHARTER IP ENABLED SERVICES, LLC |
348 |
|
2007-02-25 |
|
| 231-276
| 4 |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-276
| 5 |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-276
| 6 |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-276
| 7 |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-276
| 8 |
|
829J PAETEC ITEL, LLC |
348 |
|
2004-02-03 |
|
| 231-276
| 9 |
|
9323 MICHIGAN BELL TEL CO |
348 |
|
|
|
| 231-774
| A |
GDRPMIBLXTZ |
3535 ACD TELECOM, INC. - MI |
348 |
|
|
|
| 231-774
| 0 |
|
817J INTERACTIVE SERVICES NETWORK, INC. |
348 |
|
2005-09-02 |
|
| 231-774
| 2 |
|
543C ONVOY, LLCV - MI |
348 |
|
2012-06-01 |
|
| 231-774
| 3 |
|
543C ONVOY, LLCV - MI |
348 |
|
2012-12-30 |
|
| 231-774
| 4 |
|
543C ONVOY, LLCV - MI |
348 |
|
2013-03-18 |
|
| 231-774
| 5 |
|
516C AT&T CORP. |
348 |
|
2011-08-23 |
|
| 231-774
| 6 |
|
991E BANDWIDTH.COM CLEC, LLC - MI |
348 |
|
2014-12-26 |
|
| 231-774
| 7 |
|
3535 ACD TELECOM, INC. - MI |
348 |
|
2005-03-12 |
|
| 231-774
| 8 |
|
543C ONVOY, LLCV - MI |
348 |
|
2016-03-23 |
|
| 231-774
| 9 |
|
933G PEERLESS NETWORK OF MICHIGAN, LLC - MI |
348 |
|
2015-12-22 |
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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