Local Calling Guide
Area code/prefix search
NPA: 313
[Rate centres in NPA 313]
[Dial plan for NPA 313]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 313-504
| 1 |
Detroit Zone 3 |
MI |
|
624H ONVOY SPECTRUM, LLC |
340 |
|
2022-01-29 |
|
| 313-504
| 2 |
Detroit Zone 3 |
MI |
|
624H ONVOY SPECTRUM, LLC |
340 |
|
2022-01-29 |
|
| 313-504
| 3 |
Detroit Zone 3 |
MI |
|
624H ONVOY SPECTRUM, LLC |
340 |
|
2022-01-29 |
|
| 313-504
| 4 |
Detroit Zone 3 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2022-01-28 |
|
| 313-504
| 5 |
Detroit Zone 3 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2022-01-28 |
|
| 313-504
| 6 |
Detroit Zone 3 |
MI |
|
624H ONVOY SPECTRUM, LLC |
340 |
|
2022-01-29 |
|
| 313-504
| 7 |
Detroit Zone 3 |
MI |
|
624H ONVOY SPECTRUM, LLC |
340 |
|
2022-01-29 |
|
| 313-504
| 8 |
Detroit Zone 3 |
MI |
|
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
2022-03-02 |
|
| 313-504
| 9 |
Detroit Zone 3 |
MI |
|
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
2022-03-02 |
|
| 313-505
| A |
Detroit Zone 5 |
MI |
DTRTMIAPG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
340 |
|
|
|
| 313-506
| A |
Detroit Zone 5 |
MI |
DTRTMIAPG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
340 |
|
|
|
| 313-507
| A |
Detroit Zone 5 |
MI |
SFLDMIMNDS1 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-508
| A |
Detroit Zone 5 |
MI |
SFLDMIMNDS1 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-509
| A |
Detroit Zone 2 |
MI |
LIVNMIUX8MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
|
|
| 313-509
| 0 |
Detroit Zone 2 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2016-03-11 |
|
| 313-509
| 1 |
Detroit Zone 2 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2016-03-11 |
|
| 313-509
| 2 |
Detroit Zone 2 |
MI |
|
516C AT&T CORP. |
340 |
|
2016-04-21 |
|
| 313-509
| 3 |
Detroit Zone 2 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2016-04-28 |
|
| 313-509
| 4 |
Detroit Zone 2 |
MI |
|
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2017-08-14 |
|
| 313-509
| 5 |
Detroit Zone 2 |
MI |
|
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2017-10-16 |
|
| 313-509
| 6 |
Detroit Zone 2 |
MI |
|
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2017-10-16 |
|
| 313-509
| 7 |
Detroit Zone 2 |
MI |
|
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2017-12-01 |
|
| 313-509
| 8 |
Detroit Zone 2 |
MI |
|
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2017-12-01 |
|
| 313-509
| 9 |
Detroit Zone 2 |
MI |
|
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
2016-02-27 |
|
| 313-510
| A |
Detroit Zone 5 |
MI |
DTRTMIAPG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
340 |
|
|
|
| 313-512
| A |
Detroit Zone 4 |
MI |
SFLDMIDNDS6 |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
340 |
|
|
|
| 313-512
| 1 |
Detroit Zone 4 |
MI |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
340 |
|
2020-10-13 |
|
| 313-512
| 2 |
Detroit Zone 4 |
MI |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
340 |
|
2020-10-13 |
|
| 313-512
| 3 |
Detroit Zone 4 |
MI |
|
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
340 |
|
2020-10-13 |
|
| 313-512
| 4 |
Detroit Zone 4 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2020-12-03 |
|
| 313-512
| 5 |
Detroit Zone 4 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2020-12-03 |
|
| 313-512
| 6 |
Detroit Zone 4 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2020-12-03 |
|
| 313-512
| 7 |
Detroit Zone 4 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2020-12-03 |
|
| 313-512
| 8 |
Detroit Zone 4 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2020-12-03 |
|
| 313-512
| 9 |
Detroit Zone 4 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2020-12-03 |
|
| 313-513
| A |
Detroit Zone 1 |
MI |
SFLDMITODS2 |
543C ONVOY, LLCV - MI |
340 |
|
|
|
| 313-513
| 0 |
Detroit Zone 1 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2020-11-02 |
|
| 313-513
| 1 |
Detroit Zone 1 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2020-11-02 |
|
| 313-513
| 2 |
Detroit Zone 1 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2020-11-02 |
|
| 313-513
| 3 |
Detroit Zone 1 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2020-11-02 |
|
| 313-513
| 4 |
Detroit Zone 1 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2020-11-02 |
|
| 313-513
| 5 |
Detroit Zone 1 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2020-11-02 |
|
| 313-513
| 6 |
Detroit Zone 1 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2020-11-02 |
|
| 313-513
| 7 |
Detroit Zone 1 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2020-11-02 |
|
| 313-513
| 8 |
Detroit Zone 1 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2020-11-02 |
|
| 313-513
| 9 |
Detroit Zone 1 |
MI |
|
543C ONVOY, LLCV - MI |
340 |
|
2020-11-02 |
|
| 313-514
| A |
Detroit Zone 4 |
MI |
SFLDMITODS2 |
543C ONVOY, LLCV - MI |
340 |
|
|
|
| 313-514
| 0 |
Detroit Zone 4 |
MI |
|
939H COMMIO, LLC |
340 |
|
2021-08-29 |
|
| 313-514
| 1 |
Detroit Zone 4 |
MI |
|
939H COMMIO, LLC |
340 |
|
2021-08-29 |
|
| 313-514
| 2 |
Detroit Zone 4 |
MI |
|
939H COMMIO, LLC |
340 |
|
2021-08-29 |
|
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 >>
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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