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 |
301-866
| 7 |
Lexington Park-Great Mills |
MD |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-866
| 9 |
Lexington Park-Great Mills |
MD |
LXPKMDLXDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-867
| A |
Washington Zone 14 |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-867
| 0 |
Washington Zone 14 |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-867
| 1 |
Washington Zone 14 |
MD |
OCQNVAXAVMD |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2020-08-10 |
|
301-867
| 2 |
Washington Zone 14 |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-867
| 3 |
Washington Zone 14 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
301-867
| 4 |
Washington Zone 14 |
MD |
|
2593 CORE COMMUNICATIONS, INC.- MD |
236 |
|
2019-04-29 |
|
301-867
| 5 |
Washington Zone 14 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2016-03-14 |
|
301-867
| 6 |
Washington Zone 14 |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-867
| 7 |
Washington Zone 14 |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2016-03-14 |
|
301-867
| 8 |
Washington Zone 14 |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-867
| 9 |
Washington Zone 14 |
MD |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
301-868
| A |
Washington Zone 16 |
MD |
CLTNMDCLDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-869
| A |
Gaithersburg |
MD |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-870
| A |
Washington Zone 6 |
MD |
WDRFMDWDDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-871
| A |
Washington Zone 11 |
MD |
SLSPMDNBDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-872
| A |
Ridge |
MD |
RIDGMDRIRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-872
| 0 |
Ridge |
MD |
RIDGMDRIRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-872
| 1 |
Ridge |
MD |
WASHDC127MD |
073H TELNYX LLC |
236 |
|
2023-06-18 |
|
301-872
| 2 |
Ridge |
MD |
RIDGMDRIRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-872
| 3 |
Ridge |
MD |
VINNVACBDS0 |
876D ONVOY, LLC - MD |
236 |
|
2023-06-17 |
|
301-872
| 4 |
Ridge |
MD |
RIDGMDRIRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-872
| 5 |
Ridge |
MD |
RIDGMDRIRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-872
| 6 |
Ridge |
MD |
|
073H TELNYX LLC |
236 |
|
2024-02-04 |
|
301-872
| 7 |
Ridge |
MD |
|
073H TELNYX LLC |
236 |
|
2024-02-04 |
|
301-872
| 8 |
Ridge |
MD |
RIDGMDRIRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-872
| 9 |
Ridge |
MD |
RIDGMDRIRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-873
| A |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
301-874
| A |
Buckeystown |
MD |
BCTWMDBTRS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-875
| A |
Laurel |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
301-875
| 0 |
Laurel |
MD |
CHCHMDBE1MD |
8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) |
236 |
|
2004-11-20 |
|
301-875
| 1 |
Laurel |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2006-08-07 |
|
301-875
| 2 |
Laurel |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2006-01-02 |
|
301-875
| 3 |
Laurel |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2008-05-02 |
|
301-875
| 4 |
Laurel |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2008-05-02 |
|
301-875
| 5 |
Laurel |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2006-04-24 |
|
301-875
| 6 |
Laurel |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2006-04-24 |
|
301-875
| 7 |
Laurel |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2006-04-24 |
|
301-875
| 8 |
Laurel |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2006-04-24 |
|
301-875
| 9 |
Laurel |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
2006-04-24 |
|
301-876
| A |
Cumberland |
MD |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
|
|
301-876
| 0 |
Cumberland |
MD |
CMLDMDCM5MD |
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
2003-03-05 |
|
301-876
| 1 |
Cumberland |
MD |
CMLDMDCM5MD |
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
2003-03-05 |
|
301-876
| 2 |
Cumberland |
MD |
CMLDMDCM5MD |
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
2003-03-05 |
|
301-876
| 3 |
Cumberland |
MD |
CMLDMDCM5MD |
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
2003-03-05 |
|
301-876
| 4 |
Cumberland |
MD |
FRDRMDFRXMD |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2002-07-27 |
|
301-876
| 5 |
Cumberland |
MD |
CMLDMDCM5MD |
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
2004-08-23 |
|
301-876
| 6 |
Cumberland |
MD |
FRDRMDFRXPX |
624H ONVOY SPECTRUM, LLC |
240 |
|
2021-12-09 |
|
301-876
| 7 |
Cumberland |
MD |
CMLDMDCM5MD |
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
2004-09-06 |
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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