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 |
| 313-831
| 9 |
DTRTMICLDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-832
| A |
DTRTMICLDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-833
| A |
DTRTMICLDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-870
| A |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-870
| 0 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-870
| 1 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-870
| 2 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-870
| 3 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-870
| 4 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-870
| 5 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-870
| 6 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-870
| 7 |
LIVNMIUX8MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
2010-02-15 |
|
| 313-870
| 8 |
LIVNMIUX8MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
2010-02-15 |
|
| 313-870
| 9 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-871
| A |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-872
| A |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-872
| 0 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-872
| 1 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-872
| 2 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-872
| 3 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-872
| 4 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-872
| 5 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-872
| 6 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-872
| 7 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-872
| 8 |
SFLDMIMK0MD |
478J NUSO, LLC |
340 |
|
2023-12-11 |
|
| 313-872
| 9 |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-873
| A |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-874
| A |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-875
| A |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-876
| A |
DTRTMIMDRPA |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-877
| A |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-877
| 0 |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-877
| 1 |
DTRTMIBHDS1 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-877
| 2 |
DTRTMIBHDS1 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-877
| 3 |
LIVNMIUX8MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
2014-12-03 |
|
| 313-877
| 4 |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-877
| 5 |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-877
| 6 |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-877
| 7 |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-877
| 8 |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-877
| 9 |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-879
| A |
SFLDMIDNDS6 |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
340 |
|
|
|
| 313-879
| 0 |
SFLDMIDNDS6 |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
340 |
|
2006-06-03 |
|
| 313-879
| 1 |
SFLDMIDNDS6 |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
340 |
|
2005-06-03 |
|
| 313-879
| 2 |
SFLDMIDNDS6 |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
340 |
|
2005-06-03 |
|
| 313-879
| 3 |
SFLDMIDNDS6 |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
340 |
|
2005-06-03 |
|
| 313-879
| 4 |
SFLDMIDNDS6 |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
340 |
|
|
|
| 313-879
| 5 |
SFLDMIDNDS6 |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
340 |
|
2004-08-27 |
|
| 313-879
| 6 |
SFLDMIQJDS1 |
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
2007-05-25 |
|
| 313-879
| 7 |
LIVNMIUX0MD |
5562 METROPCS, INC. |
340 |
|
2006-10-26 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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