Local Calling Guide
Area code/prefix search
NPA: 240
[Rate centres in NPA 240]
[Dial plan for NPA 240]
<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 240-929
| 9 |
Washington Zone 14 |
MD |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 240-930
| A |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
|
|
| 240-930
| 0 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2022-09-01 |
|
| 240-930
| 1 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2022-09-01 |
|
| 240-930
| 2 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2022-09-01 |
|
| 240-930
| 3 |
Laurel (Baltimore LATA) |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2022-09-29 |
|
| 240-930
| 4 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2022-12-04 |
|
| 240-930
| 5 |
Laurel (Baltimore LATA) |
MD |
BLTMMDCHCMD |
7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
238 |
|
2022-09-06 |
|
| 240-930
| 6 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2022-09-02 |
|
| 240-930
| 7 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2022-09-02 |
|
| 240-930
| 8 |
Laurel (Baltimore LATA) |
MD |
BLTOMDKHBMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
238 |
|
2026-06-15 |
|
| 240-930
| 9 |
Laurel (Baltimore LATA) |
MD |
BLTMMDCH40Z |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
238 |
|
2023-09-30 |
|
| 240-931
| A |
Frederick |
MD |
MRBGWVBUX0X |
732J NUSO, LLC |
240 |
|
|
|
| 240-931
| 0 |
Frederick |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2022-09-03 |
|
| 240-931
| 1 |
Frederick |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2022-09-03 |
|
| 240-931
| 2 |
Frederick |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2022-09-03 |
|
| 240-931
| 3 |
Frederick |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2022-09-03 |
|
| 240-931
| 4 |
Frederick |
MD |
MRBGWVBUX0X |
732J NUSO, LLC |
240 |
|
2022-10-30 |
|
| 240-931
| 5 |
Frederick |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2023-08-10 |
|
| 240-931
| 6 |
Frederick |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2023-08-10 |
|
| 240-931
| 7 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2022-11-03 |
|
| 240-931
| 8 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2022-09-24 |
|
| 240-931
| 9 |
Frederick |
MD |
FRDRMDFRXSX |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
240 |
|
2022-11-03 |
|
| 240-932
| A |
Washington Zone 14 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
|
|
| 240-932
| 0 |
Washington Zone 14 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2022-09-03 |
|
| 240-932
| 1 |
Washington Zone 14 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2022-09-03 |
|
| 240-932
| 2 |
Washington Zone 14 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2022-09-03 |
|
| 240-932
| 3 |
Washington Zone 14 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2022-09-03 |
|
| 240-932
| 4 |
Washington Zone 14 |
MD |
WASHDCDP8MD |
071F BANDWIDTH.COM CLEC, LLC - MD |
236 |
|
2022-09-03 |
|
| 240-932
| 5 |
Washington Zone 14 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-10-15 |
|
| 240-932
| 6 |
Washington Zone 14 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2022-10-15 |
|
| 240-932
| 7 |
Washington Zone 14 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-02-20 |
|
| 240-932
| 8 |
Washington Zone 14 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2022-09-29 |
|
| 240-932
| 9 |
Washington Zone 14 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-06-17 |
|
| 240-933
| A |
Buckeystown |
MD |
HGTWMD53EMD |
516J TON80 COMMUNICATIONS, LLC |
240 |
|
|
|
| 240-933
| 0 |
Buckeystown |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2024-06-23 |
|
| 240-933
| 3 |
Buckeystown |
MD |
HGTWMD53EMD |
516J TON80 COMMUNICATIONS, LLC |
240 |
|
2022-05-02 |
|
| 240-933
| 9 |
Buckeystown |
MD |
HGTWMD53DS0 |
568G PEERLESS NETWORK OF MARYLAND, LLC |
240 |
|
2023-10-27 |
|
| 240-934
| A |
Middletown |
MD |
HGTWMD53EMD |
516J TON80 COMMUNICATIONS, LLC |
240 |
|
|
|
| 240-934
| 0 |
Middletown |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2021-11-29 |
|
| 240-934
| 1 |
Middletown |
MD |
HGTWMD539MD |
939H COMMIO, LLC |
240 |
|
2022-12-03 |
|
| 240-934
| 2 |
Middletown |
MD |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2022-10-27 |
|
| 240-934
| 3 |
Middletown |
MD |
FRDRMDFRXPX |
624H ONVOY SPECTRUM, LLC |
240 |
|
2021-05-24 |
|
| 240-934
| 4 |
Middletown |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2021-07-11 |
|
| 240-934
| 5 |
Middletown |
MD |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
2021-07-11 |
|
| 240-934
| 6 |
Middletown |
MD |
HGTWMD53EMD |
516J TON80 COMMUNICATIONS, LLC |
240 |
|
2021-04-05 |
|
| 240-934
| 7 |
Middletown |
MD |
FRDRMDFRXPX |
624H ONVOY SPECTRUM, LLC |
240 |
|
2022-01-17 |
|
| 240-934
| 8 |
Middletown |
MD |
FRDRMDFRXPX |
624H ONVOY SPECTRUM, LLC |
240 |
|
2022-01-17 |
|
| 240-934
| 9 |
Middletown |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2022-03-11 |
|
| 240-935
| A |
Laurel |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 >>
Last updated: Sat, 01 Aug 2026 03:19:33 UTC
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