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 |
301-430
| A |
Washington Zone 14 |
MD |
UPMRMDCCDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-430
| 0 |
Washington Zone 14 |
MD |
UPMRMDCCDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-430
| 1 |
Washington Zone 14 |
MD |
|
515J IP HORIZON LLC |
236 |
|
2016-05-31 |
|
301-430
| 2 |
Washington Zone 14 |
MD |
UPMRMDCCDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-430
| 3 |
Washington Zone 14 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-430
| 4 |
Washington Zone 14 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-430
| 5 |
Washington Zone 14 |
MD |
UPMRMDCCDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-430
| 6 |
Washington Zone 14 |
MD |
UPMRMDCCDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-430
| 7 |
Washington Zone 14 |
MD |
UPMRMDCCDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-430
| 8 |
Washington Zone 14 |
MD |
UPMRMDCCDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-430
| 9 |
Washington Zone 14 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2018-10-23 |
|
301-431
| A |
Washington Zone 3 |
MD |
HYVLMDRIDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-432
| A |
Keedysville |
MD |
KDVLMDKVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-432
| 0 |
Keedysville |
MD |
KDVLMDKVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-432
| 1 |
Keedysville |
MD |
KDVLMDKVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-432
| 2 |
Keedysville |
MD |
KDVLMDKVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-432
| 3 |
Keedysville |
MD |
KDVLMDKVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-432
| 4 |
Keedysville |
MD |
KDVLMDKVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-432
| 5 |
Keedysville |
MD |
KDVLMDKVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-432
| 6 |
Keedysville |
MD |
KDVLMDKVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-432
| 7 |
Keedysville |
MD |
KDVLMDKVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-432
| 8 |
Keedysville |
MD |
KDVLMDKVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-432
| 9 |
Keedysville |
MD |
MRBGWVBUHPA |
4095 FIBERNET, LLC - WV |
240 |
|
2004-02-15 |
|
301-433
| A |
Washington Zone 5 |
MD |
ALTWMDATRP0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-433
| 0 |
Washington Zone 5 |
MD |
ALTWMDATRP0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-433
| 1 |
Washington Zone 5 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-01-12 |
|
301-433
| 2 |
Washington Zone 5 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-06-16 |
|
301-433
| 3 |
Washington Zone 5 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-06-16 |
|
301-433
| 4 |
Washington Zone 5 |
MD |
WASLDCRGDS0 |
281E YMAX COMMUNICATIONS CORP. - MD |
236 |
|
2008-10-10 |
|
301-433
| 5 |
Washington Zone 5 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-04-13 |
|
301-433
| 6 |
Washington Zone 5 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
301-433
| 7 |
Washington Zone 5 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2015-06-27 |
|
301-433
| 8 |
Washington Zone 5 |
MD |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2015-08-17 |
|
301-433
| 9 |
Washington Zone 5 |
MD |
BTVLMD127MD |
5562 METROPCS, INC. |
236 |
|
2019-11-29 |
|
301-434
| A |
Washington Zone 3 |
MD |
HYVLMDRIDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-435
| A |
Washington Zone 2 |
MD |
BTHSMDRPDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-436
| A |
Washington Zone 4 |
MD |
HYVLMDHYDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-437
| A |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6664 SPRINT SPECTRUM, L.P. |
236 |
|
|
|
301-437
| 0 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-437
| 1 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-437
| 2 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-437
| 3 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-437
| 4 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-437
| 5 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-437
| 6 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-437
| 7 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-437
| 8 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-437
| 9 |
Washington Zone 3 |
MD |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
301-438
| A |
Washington Zone 12 |
MD |
SLSPMDNBDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-438
| 0 |
Washington Zone 12 |
MD |
SLSPMDNBDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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