Local Calling Guide
Area code/prefix search
NPA: 740
[Rate centres in NPA 740]
[Dial plan for NPA 740]
<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 740-528
| 2 |
Green Camp |
OH |
GRCMOHXARL0 |
0615 FRONTIER NORTH, INC. - OH |
324 |
|
|
|
| 740-528
| 3 |
Green Camp |
OH |
|
145J TERRA NOVA TELECOM INC. |
324 |
|
2026-03-29 |
|
| 740-528
| 4 |
Green Camp |
OH |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2021-03-11 |
|
| 740-528
| 5 |
Green Camp |
OH |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2018-09-20 |
|
| 740-528
| 6 |
Green Camp |
OH |
CLMKOHPE0MD |
793K TWC IP ENABLED SERVICES, LLC |
324 |
|
2007-06-28 |
|
| 740-528
| 7 |
Green Camp |
OH |
CLMBOH1125Z |
508J CENTURYLINK COMMUNICATIONS, LLC |
324 |
|
2014-07-08 |
|
| 740-528
| 8 |
Green Camp |
OH |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2021-04-13 |
|
| 740-528
| 9 |
Green Camp |
OH |
|
145J TERRA NOVA TELECOM INC. |
324 |
|
2025-07-19 |
|
| 740-529
| A |
Portsmouth |
OH |
CLMKOHPE0MD |
793K TWC IP ENABLED SERVICES, LLC |
324 |
|
2025-02-04 |
|
| 740-529
| 0 |
Portsmouth |
OH |
CLMKOHPE0MD |
793K TWC IP ENABLED SERVICES, LLC |
324 |
|
2013-10-08 |
|
| 740-529
| 1 |
Portsmouth |
OH |
CLMKOHPE0MD |
793K TWC IP ENABLED SERVICES, LLC |
324 |
|
2014-06-05 |
|
| 740-529
| 2 |
Portsmouth |
OH |
CLMKOHPE0MD |
793K TWC IP ENABLED SERVICES, LLC |
324 |
|
2017-09-16 |
|
| 740-529
| 3 |
Portsmouth |
OH |
CLMDOH44JMD |
965H FRACTEL, LLC |
324 |
|
2020-03-07 |
|
| 740-529
| 4 |
Portsmouth |
OH |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2022-12-15 |
|
| 740-529
| 5 |
Portsmouth |
OH |
WOTNOHEHAMD |
7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH |
324 |
|
2017-01-20 |
|
| 740-529
| 6 |
Portsmouth |
OH |
CMBROHXBAMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2024-11-22 |
|
| 740-529
| 7 |
Portsmouth |
OH |
CLMKOHPE0MD |
793K TWC IP ENABLED SERVICES, LLC |
324 |
|
2014-11-21 |
|
| 740-529
| 8 |
Portsmouth |
OH |
CMBROHXBAMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2016-09-30 |
|
| 740-529
| 9 |
Portsmouth |
OH |
CMBROHXBAMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
2015-07-11 |
|
| 740-530
| A |
Duffy |
OH |
|
464C ONVOY, LLC - OH |
324 |
|
|
|
| 740-530
| 0 |
Duffy |
OH |
CLMDOH44DS5 |
284F PEERLESS NETWORK OF OHIO, LLC - OH |
324 |
|
2013-04-27 |
|
| 740-530
| 1 |
Duffy |
OH |
CLMDOH44DS5 |
284F PEERLESS NETWORK OF OHIO, LLC - OH |
324 |
|
2013-04-27 |
|
| 740-530
| 2 |
Duffy |
OH |
CLMBOHLTEMD |
515J IP HORIZON LLC |
324 |
|
2024-04-28 |
|
| 740-530
| 3 |
Duffy |
OH |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2021-03-11 |
|
| 740-530
| 4 |
Duffy |
OH |
CLMDOHZI6MD |
4863 LEVEL 3 COMMUNICATIONS, LLC - OH |
324 |
|
2004-05-27 |
|
| 740-530
| 5 |
Duffy |
OH |
CLMFOHJU7MD |
5562 METROPCS, INC. |
324 |
|
2021-02-12 |
|
| 740-530
| 6 |
Duffy |
OH |
CLMBOHLTEMD |
515J IP HORIZON LLC |
324 |
|
2024-04-28 |
|
| 740-530
| 7 |
Duffy |
OH |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2016-04-06 |
|
| 740-530
| 8 |
Duffy |
OH |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2016-04-06 |
|
| 740-531
| A |
Thornville |
OH |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2025-01-17 |
|
| 740-531
| 0 |
Thornville |
OH |
CLMBOHLT1MD |
464C ONVOY, LLC - OH |
324 |
|
2007-01-08 |
|
| 740-531
| 1 |
Thornville |
OH |
CLMDOH44IMD |
145J TERRA NOVA TELECOM INC. |
324 |
|
2024-12-05 |
|
| 740-531
| 2 |
Thornville |
OH |
|
145J TERRA NOVA TELECOM INC. |
324 |
|
2025-08-29 |
|
| 740-532
| A |
Ironton |
OH |
IRTNOH5353C |
9321 OHIO BELL TEL CO |
324 |
|
|
|
| 740-533
| A |
Ironton |
OH |
IRTNOH5353C |
9321 OHIO BELL TEL CO |
324 |
|
|
|
| 740-533
| 0 |
Ironton |
OH |
IRTNOH5353C |
9321 OHIO BELL TEL CO |
324 |
|
|
|
| 740-533
| 1 |
Ironton |
OH |
IRTNOH5353C |
9321 OHIO BELL TEL CO |
324 |
|
|
|
| 740-533
| 2 |
Ironton |
OH |
IRTNOH5353C |
9321 OHIO BELL TEL CO |
324 |
|
|
|
| 740-533
| 3 |
Ironton |
OH |
IRTNOH5353C |
9321 OHIO BELL TEL CO |
324 |
|
|
|
| 740-533
| 4 |
Ironton |
OH |
IRTNOH5353C |
9321 OHIO BELL TEL CO |
324 |
|
|
|
| 740-533
| 5 |
Ironton |
OH |
IRTNOH5353C |
9321 OHIO BELL TEL CO |
324 |
|
|
|
| 740-533
| 6 |
Ironton |
OH |
IRTNOH5353C |
9321 OHIO BELL TEL CO |
324 |
|
|
|
| 740-533
| 7 |
Ironton |
OH |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
|
|
| 740-533
| 8 |
Ironton |
OH |
IRTNOH5353C |
9321 OHIO BELL TEL CO |
324 |
|
|
|
| 740-533
| 9 |
Ironton |
OH |
IRTNOH5353C |
9321 OHIO BELL TEL CO |
324 |
|
|
|
| 740-534
| A |
Ironton |
OH |
IRTNOH5353C |
9321 OHIO BELL TEL CO |
324 |
|
|
|
| 740-534
| 0 |
Ironton |
OH |
IRTNOH5353C |
9321 OHIO BELL TEL CO |
324 |
|
|
|
| 740-534
| 1 |
Ironton |
OH |
|
145J TERRA NOVA TELECOM INC. |
324 |
|
2025-10-06 |
|
| 740-534
| 2 |
Ironton |
OH |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
|
|
| 740-534
| 3 |
Ironton |
OH |
HLRDOHEJGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
324 |
|
|
|
<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 >>
Last updated: Tue, 31 Mar 2026 13:56:49 UTC
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