Local Calling Guide
Area code/prefix search
NPA: 301
[Rate centres in NPA 301]
[Dial plan for NPA 301]
<< 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 >>
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
301-220
| 0 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-220
| 1 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-220
| 2 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-220
| 3 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-220
| 4 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-220
| 5 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-220
| 6 |
Washington Zone 13 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2021-02-18 |
|
301-220
| 7 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-220
| 8 |
Washington Zone 13 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-220
| 9 |
Washington Zone 13 |
MD |
CLPKMDBWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-221
| A |
Washington Zone 2 |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
301-222
| A |
Washington Zone 2 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
301-222
| 0 |
Washington Zone 2 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
301-222
| 1 |
Washington Zone 2 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
301-222
| 2 |
Washington Zone 2 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
301-222
| 3 |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2005-12-10 |
|
301-222
| 4 |
Washington Zone 2 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
301-222
| 5 |
Washington Zone 2 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
301-222
| 6 |
Washington Zone 2 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
301-222
| 7 |
Washington Zone 2 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2006-08-06 |
|
301-222
| 8 |
Washington Zone 2 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
301-222
| 9 |
Washington Zone 2 |
MD |
HRNDVA13AMD |
3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
236 |
|
|
|
301-223
| A |
Williamsport |
MD |
WLPTMDWPRS2 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-223
| 0 |
Williamsport |
MD |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2016-10-16 |
|
301-223
| 1 |
Williamsport |
MD |
WLPTMDWPRS2 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-223
| 2 |
Williamsport |
MD |
WLPTMDWPRS2 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-223
| 3 |
Williamsport |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2004-03-28 |
|
301-223
| 4 |
Williamsport |
MD |
WLPTMDWPRS2 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-223
| 5 |
Williamsport |
MD |
WLPTMDWPRS2 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-223
| 6 |
Williamsport |
MD |
WLPTMDWPRS2 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-223
| 7 |
Williamsport |
MD |
WLPTMDWPRS2 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-223
| 8 |
Williamsport |
MD |
WLPTMDWPRS2 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-223
| 9 |
Williamsport |
MD |
WLPTMDWPRS2 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-224
| A |
Washington Zone 2 |
MD |
SLSPMDSSX6X |
6630 USA MOBILITY WIRELESS, INC. |
236 |
|
|
|
301-225
| A |
Washington Zone 14 |
MD |
WASHDCDTDS1 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-225
| 0 |
Washington Zone 14 |
MD |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2009-07-20 |
|
301-225
| 1 |
Washington Zone 14 |
MD |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2009-07-20 |
|
301-225
| 2 |
Washington Zone 14 |
MD |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2009-07-20 |
|
301-225
| 3 |
Washington Zone 14 |
MD |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2009-07-20 |
|
301-225
| 4 |
Washington Zone 14 |
MD |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2009-07-20 |
|
301-225
| 5 |
Washington Zone 14 |
MD |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2009-07-20 |
|
301-225
| 6 |
Washington Zone 14 |
MD |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2009-07-20 |
|
301-225
| 7 |
Washington Zone 14 |
MD |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2009-07-20 |
|
301-225
| 8 |
Washington Zone 14 |
MD |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2009-07-20 |
|
301-225
| 9 |
Washington Zone 14 |
MD |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2009-07-20 |
|
301-226
| A |
Washington Zone 4 |
MD |
LDVRMDLODS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-227
| A |
Washington Zone 2 |
MD |
BTHSMDWADS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-228
| A |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-228
| 0 |
Frederick |
MD |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2015-05-21 |
|
301-228
| 1 |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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