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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 313-442
| 8 |
Detroit Zone 1 |
MI |
DTRTMIBHDS1 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-442
| 9 |
Detroit Zone 1 |
MI |
DTRTMIBHDS1 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-443
| A |
Detroit Zone 6 |
MI |
LIVNMIUX8MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
|
|
| 313-444
| A |
Detroit Zone 2 |
MI |
FLNTMICD0MD |
829J PAETEC ITEL, LLC |
340 |
|
|
|
| 313-444
| 0 |
Detroit Zone 2 |
MI |
DTRTMIBLX4Y |
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2010-03-05 |
|
| 313-444
| 1 |
Detroit Zone 2 |
MI |
FLNTMICD0MD |
829J PAETEC ITEL, LLC |
340 |
|
2009-05-31 |
|
| 313-444
| 2 |
Detroit Zone 2 |
MI |
DTRTMIBLX4Y |
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2010-03-12 |
|
| 313-444
| 3 |
Detroit Zone 2 |
MI |
DTRTMIBLX4Y |
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2010-03-12 |
|
| 313-444
| 4 |
Detroit Zone 2 |
MI |
DTRTMIBLX4Y |
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2010-03-12 |
|
| 313-444
| 5 |
Detroit Zone 2 |
MI |
DTRTMIBLX4Y |
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2010-03-12 |
|
| 313-444
| 6 |
Detroit Zone 2 |
MI |
DTRTMIBLX4Y |
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2010-06-26 |
|
| 313-444
| 7 |
Detroit Zone 2 |
MI |
DTRTMIBLX4Y |
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2010-06-26 |
|
| 313-444
| 8 |
Detroit Zone 2 |
MI |
DTRTMIBLX4Y |
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2010-06-26 |
|
| 313-444
| 9 |
Detroit Zone 2 |
MI |
DTRTMIBLX4Y |
991E BANDWIDTH.COM CLEC, LLC - MI |
340 |
|
2010-03-05 |
|
| 313-445
| A |
Detroit Zone 6 |
MI |
LIVNMIUX8MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
|
|
| 313-446
| A |
Detroit Zone 1 |
MI |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-446
| 0 |
Detroit Zone 1 |
MI |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-446
| 1 |
Detroit Zone 1 |
MI |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-446
| 2 |
Detroit Zone 1 |
MI |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-446
| 3 |
Detroit Zone 1 |
MI |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-446
| 4 |
Detroit Zone 1 |
MI |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-446
| 5 |
Detroit Zone 1 |
MI |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-446
| 6 |
Detroit Zone 1 |
MI |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-446
| 7 |
Detroit Zone 1 |
MI |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-446
| 8 |
Detroit Zone 1 |
MI |
SFLDMIDICA0 |
2550 123.NET, LLC |
340 |
|
2011-09-26 |
|
| 313-446
| 9 |
Detroit Zone 1 |
MI |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-447
| A |
Detroit Zone 2 |
MI |
LIVNMIUX8MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
|
|
| 313-447
| 0 |
Detroit Zone 2 |
MI |
SFLDMIDNDS6 |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
340 |
|
2005-06-02 |
|
| 313-447
| 1 |
Detroit Zone 2 |
MI |
SFLDMIDNDS6 |
6120 LEVEL 3 COMMUNICATIONS, LLC - MI |
340 |
|
2005-06-02 |
|
| 313-447
| 2 |
Detroit Zone 2 |
MI |
SFLDMITODS2 |
543C ONVOY, LLCV - MI |
340 |
|
2005-06-02 |
|
| 313-447
| 3 |
Detroit Zone 2 |
MI |
SFLDMITODS2 |
543C ONVOY, LLCV - MI |
340 |
|
2005-06-02 |
|
| 313-447
| 4 |
Detroit Zone 2 |
MI |
SFLDMITODS2 |
543C ONVOY, LLCV - MI |
340 |
|
2005-06-02 |
|
| 313-447
| 5 |
Detroit Zone 2 |
MI |
WAYNMIMNXUX |
318J COMCAST IP PHONE, LLC |
340 |
|
2007-04-01 |
|
| 313-447
| 6 |
Detroit Zone 2 |
MI |
LIVNMIUX8MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
2005-06-01 |
|
| 313-447
| 7 |
Detroit Zone 2 |
MI |
LIVNMIUX8MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
2005-06-01 |
|
| 313-447
| 8 |
Detroit Zone 2 |
MI |
LIVNMIUX8MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
2014-10-06 |
|
| 313-447
| 9 |
Detroit Zone 2 |
MI |
LIVNMIUX8MD |
2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
340 |
|
2014-09-27 |
|
| 313-448
| A |
Detroit Zone 1 |
MI |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
|
|
| 313-448
| 0 |
Detroit Zone 1 |
MI |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
2011-01-08 |
|
| 313-448
| 1 |
Detroit Zone 1 |
MI |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
2011-01-08 |
|
| 313-448
| 2 |
Detroit Zone 1 |
MI |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
2011-01-08 |
|
| 313-448
| 3 |
Detroit Zone 1 |
MI |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
2011-01-08 |
|
| 313-448
| 4 |
Detroit Zone 1 |
MI |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
2011-01-08 |
|
| 313-448
| 5 |
Detroit Zone 1 |
MI |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
2011-01-08 |
|
| 313-448
| 6 |
Detroit Zone 1 |
MI |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
2011-01-08 |
|
| 313-448
| 7 |
Detroit Zone 1 |
MI |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
2011-01-08 |
|
| 313-448
| 8 |
Detroit Zone 1 |
MI |
DTRTMIRVDS0 |
9323 MICHIGAN BELL TEL CO |
340 |
|
2011-01-08 |
|
| 313-448
| 9 |
Detroit Zone 1 |
MI |
SFLDMIDICA0 |
2550 123.NET, LLC |
340 |
|
2011-02-21 |
|
| 313-449
| A |
Detroit Zone 2 |
MI |
SFLDMIQJDS1 |
7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI |
340 |
|
|
|
| 313-449
| 0 |
Detroit Zone 2 |
MI |
SFLDMIMKEMD |
490J BOOST SUBSCRIBERCO L.L.C. |
340 |
|
2026-04-04 |
|
<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 >>
Last updated: Thu, 16 Jul 2026 02:21:55 UTC
Sponsored by: Callcentric - VoIP Internet phone service
Like this site? We accept donations via PayPal.