Local Calling Guide
Area code/prefix search
Detroit Zone 1, MI
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NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
313-256
| 3 |
DTRTMIBHDS1 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
313-256
| 4 |
DTRTMIBHDS1 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
313-256
| 5 |
DTRTMIBHDS1 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
313-256
| 6 |
DTRTMIBHDS1 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
313-256
| 7 |
DTRTMIBHDS1 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
313-256
| 8 |
DTRTMIBHDS1 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
313-256
| 9 |
DTRTMIBHDS1 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
313-259
| A |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
313-261
| A |
SFLDMIMNXRX |
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
|
|
313-261
| 0 |
SFLDMITODS2 |
543C ONVOY, LLCV - MI |
340 |
|
2016-05-16 |
|
313-261
| 1 |
SFLDMIMK0MD |
478J NUSO, LLC |
340 |
|
2023-12-11 |
|
313-261
| 2 |
SFLDMITODS2 |
543C ONVOY, LLCV - MI |
340 |
|
2016-05-16 |
|
313-261
| 3 |
SFLDMIMNXRX |
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2016-05-16 |
|
313-261
| 4 |
SFLDMIMNXRX |
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2016-05-16 |
|
313-261
| 5 |
SFLDMIMNXRX |
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2016-05-16 |
|
313-261
| 6 |
SFLDMIMNXRX |
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2016-05-16 |
|
313-261
| 7 |
SFLDMIMNXRX |
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2016-05-16 |
|
313-261
| 8 |
BRHMMIBDBMD |
770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI |
340 |
|
2016-06-24 |
|
313-261
| 9 |
SFLDMIQJDS1 |
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
2016-06-29 |
|
313-262
| A |
SFLDMIQJDS1 |
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
|
|
313-262
| 0 |
SFLDMIQJDS1 |
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
|
|
313-262
| 1 |
SFLDMIQJDS1 |
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
|
|
313-262
| 2 |
SFLDMIQJDS1 |
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
|
|
313-262
| 3 |
SFLDMIQJDS1 |
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
|
|
313-262
| 4 |
SFLDMIQJDS1 |
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
|
|
313-262
| 5 |
SFLDMIQJDS1 |
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
|
|
313-262
| 6 |
WAYNMIMNXUX |
318J COMCAST IP PHONE, LLC |
340 |
|
2010-09-14 |
|
313-262
| 7 |
DTRTMIBHMMD |
1200 TALK AMERICA INC. - MI |
340 |
|
2005-04-10 |
|
313-262
| 8 |
SFLDMIQJDS1 |
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
2005-04-25 |
|
313-262
| 9 |
SFLDMIQJDS1 |
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
2005-04-25 |
|
313-263
| A |
DTRTMIBADS1 |
7421 AT&T - LOCAL |
340 |
|
|
|
313-263
| 0 |
SFLDMIDICA0 |
2550 123.NET, INC. |
340 |
|
2003-01-25 |
|
313-263
| 1 |
SFLDMIQJDS1 |
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
2004-05-10 |
|
313-263
| 2 |
SFLDMIQJDS1 |
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
2004-05-10 |
|
313-263
| 3 |
SFLDMIDNDS6 |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
340 |
|
2004-08-12 |
|
313-263
| 4 |
SFLDMIDNDS6 |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
340 |
|
2004-07-12 |
|
313-263
| 5 |
SFLDMIDNDS6 |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
340 |
|
2014-03-03 |
|
313-263
| 6 |
SFLDMIDNDS6 |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
340 |
|
2020-09-04 |
|
313-263
| 7 |
SFLDMIMNXRX |
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2015-09-11 |
|
313-263
| 8 |
LIVNMIUX0MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
2005-07-09 |
|
313-263
| 9 |
DTRTMIBADS1 |
7421 AT&T - LOCAL |
340 |
|
|
|
313-265
| A |
LIVNMIUX0MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
|
|
313-265
| 0 |
LIVNMIUX0MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
2013-12-23 |
|
313-265
| 1 |
LIVNMIUX0MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
2013-12-23 |
|
313-265
| 2 |
SFLDMIDNDS6 |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
340 |
|
2013-09-06 |
|
313-265
| 3 |
WAYNMIMNXUX |
318J COMCAST IP PHONE, LLC |
340 |
|
2013-10-06 |
|
313-265
| 4 |
DTRTMIBHMMD |
8685 US XCHANGE OF MICHIGAN LLC DBA CHOICE ONE COMM MI |
340 |
|
2013-10-25 |
|
313-265
| 5 |
LIVNMIUX0MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
2013-12-23 |
|
313-265
| 6 |
LIVNMIUX0MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
2013-08-10 |
|
313-265
| 7 |
LIVNMIUX0MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
2013-08-10 |
|
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Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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