Local Calling Guide
Area code/prefix search
Mason, MI
<< 1 2
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 517-833
| 8 |
LNNGMIMN16Z |
829J PAETEC ITEL, LLC |
346 |
|
2005-04-11 |
|
| 517-833
| 9 |
LNNGMIVE2MD |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
346 |
|
2005-12-29 |
|
| 517-883
| A |
LNNGMIDCMMD |
460K FIRST COMMUNICATIONS, LLC |
346 |
|
|
|
| 517-883
| 0 |
LNNGMIDCMMD |
460K FIRST COMMUNICATIONS, LLC |
346 |
|
2008-03-27 |
|
| 517-883
| 1 |
LNNGMIMNX4Z |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
346 |
|
2009-09-26 |
|
| 517-883
| 2 |
LNNGMIMNX5Z |
543C ONVOY, LLCV - MI |
346 |
|
2012-05-28 |
|
| 517-883
| 3 |
LNNGMIMNXSZ |
5562 METROPCS, INC. |
346 |
|
2009-09-15 |
|
| 517-883
| 4 |
LNNGMIMNX5Z |
543C ONVOY, LLCV - MI |
346 |
|
2013-01-03 |
|
| 517-883
| 5 |
LNNGMIMNXMZ |
516C AT&T CORP. |
346 |
|
2011-09-30 |
|
| 517-883
| 6 |
LNNGMIXIDS0 |
7157 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
346 |
|
2014-12-19 |
|
| 517-883
| 7 |
|
046L CLEAR RATE COMMUNICATIONS, LLC |
346 |
|
2009-11-14 |
|
| 517-883
| 8 |
LNNGMIMNX8Z |
770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI |
346 |
|
2014-03-03 |
|
| 517-883
| 9 |
LNNGMIMNX3Y |
2550 123.NET, LLC |
346 |
|
2011-06-13 |
|
| 517-928
| A |
LNNGMIXIAMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
346 |
|
|
|
| 517-928
| 0 |
LNNGMIXIAMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
346 |
|
2019-06-20 |
|
| 517-928
| 1 |
LNNGMIMNX4Z |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
346 |
|
2020-05-22 |
|
| 517-928
| 2 |
LNNGMIMNX5Z |
543C ONVOY, LLCV - MI |
346 |
|
2021-03-10 |
|
| 517-928
| 3 |
LNNGMIXIAMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
346 |
|
2020-07-31 |
|
| 517-928
| 4 |
LNNGMIXIAMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
346 |
|
2020-01-11 |
|
| 517-928
| 5 |
LNNGMIMN00Z |
624H ONVOY SPECTRUM, LLC |
346 |
|
2021-06-17 |
|
| 517-928
| 6 |
LNNGMIXIAMD |
6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI |
346 |
|
2021-06-08 |
|
| 517-928
| 8 |
LNNGMIMNXSZ |
5562 METROPCS, INC. |
346 |
|
2022-09-05 |
|
| 517-928
| 9 |
LNNGMIDC0MD |
939H COMMIO, LLC |
346 |
|
2022-11-05 |
|
| 517-969
| A |
LNNGMIMN16Z |
829J PAETEC ITEL, LLC |
346 |
|
|
|
| 517-969
| 0 |
LNNGMIMN16Z |
829J PAETEC ITEL, LLC |
346 |
|
2006-03-10 |
|
| 517-969
| 1 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
346 |
|
2025-08-29 |
|
| 517-969
| 2 |
LNNGMIMNX5Z |
543C ONVOY, LLCV - MI |
346 |
|
2021-03-10 |
|
| 517-969
| 3 |
LNNGMIVE2MD |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
346 |
|
2008-04-30 |
|
| 517-969
| 4 |
LNNGMIMN02Z |
318J COMCAST IP PHONE, LLC |
346 |
|
2007-06-26 |
|
| 517-969
| 5 |
LNNGMIMNX5Z |
543C ONVOY, LLCV - MI |
346 |
|
2007-03-05 |
|
| 517-969
| 6 |
LNNGMIMNX5Z |
543C ONVOY, LLCV - MI |
346 |
|
2013-01-30 |
|
| 517-969
| 7 |
LNNGMIVE2MD |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
346 |
|
2008-05-08 |
|
| 517-969
| 8 |
LNNGMIVE2MD |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
346 |
|
2008-05-08 |
|
| 517-969
| 9 |
LNNGMIVE2MD |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
346 |
|
2007-07-26 |
|
| 517-978
| A |
MDTPMICODS0 |
3535 ACD TELECOM, INC. - MI |
346 |
|
|
|
<< 1 2
Last updated: Tue, 31 Mar 2026 13:56:49 UTC
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