Local Calling Guide
Area code/prefix search
Detroit Zone 1, MI
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 313-545
| 4 |
DTRTMIBHDS1 |
9323 MICHIGAN BELL TEL CO |
340 |
|
2013-11-23 |
|
| 313-545
| 5 |
DTRTMIBHDS1 |
9323 MICHIGAN BELL TEL CO |
340 |
|
2013-11-23 |
|
| 313-545
| 6 |
DTRTMIBHDS1 |
9323 MICHIGAN BELL TEL CO |
340 |
|
2013-11-23 |
|
| 313-545
| 7 |
DTRTMIBHDS1 |
9323 MICHIGAN BELL TEL CO |
340 |
|
2013-11-23 |
|
| 313-545
| 8 |
DTRTMIBHDS1 |
9323 MICHIGAN BELL TEL CO |
340 |
|
2013-11-23 |
|
| 313-545
| 9 |
DTRTMIBHDS1 |
9323 MICHIGAN BELL TEL CO |
340 |
|
2013-11-23 |
|
| 313-546
| A |
DTRTMIBAUMD |
770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI |
340 |
|
|
|
| 313-546
| 0 |
SFLDMITODS2 |
543C ONVOY, LLCV - MI |
340 |
|
2020-09-12 |
|
| 313-546
| 1 |
SFLDMITODS2 |
543C ONVOY, LLCV - MI |
340 |
|
2020-09-12 |
|
| 313-546
| 2 |
DTRTMIBAUMD |
770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI |
340 |
|
2020-09-03 |
|
| 313-546
| 3 |
DTRTMIBAUMD |
770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI |
340 |
|
2020-09-03 |
|
| 313-546
| 4 |
LIVNMIUX8MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
2020-09-04 |
|
| 313-546
| 5 |
LIVNMIUX8MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
2024-08-30 |
|
| 313-546
| 6 |
SFLDMITODS2 |
543C ONVOY, LLCV - MI |
340 |
|
2020-09-12 |
|
| 313-546
| 7 |
LIVNMIUX8MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
2020-09-04 |
|
| 313-546
| 8 |
SFLDMITODS2 |
543C ONVOY, LLCV - MI |
340 |
|
2020-09-12 |
|
| 313-546
| 9 |
SFLDMITODS2 |
543C ONVOY, LLCV - MI |
340 |
|
2020-09-12 |
|
| 313-552
| A |
SFLDMIMKCMD |
321J HD CARRIER LLC |
340 |
|
|
|
| 313-552
| 0 |
DTRTMIVWDMD |
624H ONVOY SPECTRUM, LLC |
340 |
|
2021-02-23 |
|
| 313-552
| 1 |
SFLDMIMNXRX |
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2020-11-28 |
|
| 313-552
| 2 |
SFLDMIMNXRX |
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2020-11-28 |
|
| 313-552
| 3 |
SFLDMIMNXRX |
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2020-11-28 |
|
| 313-552
| 4 |
SFLDMIMNXRX |
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2020-11-28 |
|
| 313-552
| 5 |
SFLDMITODS2 |
543C ONVOY, LLCV - MI |
340 |
|
2020-12-04 |
|
| 313-552
| 6 |
SFLDMITODS2 |
543C ONVOY, LLCV - MI |
340 |
|
2020-12-04 |
|
| 313-552
| 7 |
SFLDMITODS2 |
543C ONVOY, LLCV - MI |
340 |
|
2020-12-04 |
|
| 313-552
| 8 |
SFLDMITODS2 |
543C ONVOY, LLCV - MI |
340 |
|
2020-12-04 |
|
| 313-552
| 9 |
SFLDMIMKCMD |
321J HD CARRIER LLC |
340 |
|
2020-11-21 |
|
| 313-553
| A |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-556
| A |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-556
| 0 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-556
| 1 |
SFLDMIQJDS1 |
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
2008-09-21 |
|
| 313-556
| 2 |
SFLDMIQJDS1 |
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
2008-09-21 |
|
| 313-556
| 3 |
LIVNMIUX0MD |
5562 METROPCS, INC. |
340 |
|
2009-03-09 |
|
| 313-556
| 4 |
LIVNMIUX0MD |
5562 METROPCS, INC. |
340 |
|
2009-03-09 |
|
| 313-556
| 5 |
FLNTMICD0MD |
829J PAETEC ITEL, LLC |
340 |
|
2008-03-01 |
|
| 313-556
| 6 |
LIVNMIUX0MD |
5562 METROPCS, INC. |
340 |
|
2009-03-09 |
|
| 313-556
| 7 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-556
| 8 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-556
| 9 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-557
| A |
SFLDMIQJDS1 |
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
|
|
| 313-557
| 0 |
|
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
|
|
| 313-557
| 1 |
|
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
|
|
| 313-557
| 2 |
|
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
|
|
| 313-557
| 3 |
|
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
|
|
| 313-557
| 4 |
|
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
|
|
| 313-557
| 5 |
|
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
|
|
| 313-557
| 6 |
|
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
|
|
| 313-557
| 7 |
|
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
|
|
| 313-557
| 8 |
|
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
|
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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