Local Calling Guide
Area code/prefix search
NPA: 301
[Rate centres in NPA 301]
[Dial plan for NPA 301]
Block: A
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
301-554
| A |
Washington Zone 2 |
MD |
SLSPMDSSX6X |
6630 USA MOBILITY WIRELESS, INC. |
236 |
|
|
|
301-556
| A |
Gaithersburg |
MD |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
301-557
| A |
Washington Zone 3 |
MD |
MCLNVA23DS4 |
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
236 |
|
|
|
301-558
| A |
Washington Zone 13 |
MD |
SLSPMDSSX6X |
6630 USA MOBILITY WIRELESS, INC. |
236 |
|
|
|
301-559
| A |
Washington Zone 4 |
MD |
HYVLMDCMDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-560
| A |
Washington Zone 4 |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
301-561
| A |
Washington Zone 3 |
MD |
VINNVACB2MD |
8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) |
236 |
|
|
|
301-562
| A |
Washington Zone 3 |
MD |
SLSPMDSSDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-563
| A |
Washington Zone 3 |
MD |
SLSPMDSSDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-564
| A |
Washington Zone 2 |
MD |
BTHSMDWWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-565
| A |
Washington Zone 3 |
MD |
SLSPMDSSDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-566
| A |
Washington Zone 13 |
MD |
MRKKMDMKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-567
| A |
Washington Zone 6 |
MD |
OXHLMDOHDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-568
| A |
Washington Zone 5 |
MD |
STLDMDSLDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-569
| A |
Gaithersburg |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
301-570
| A |
Ashton |
MD |
OLNYMDOKDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-571
| A |
Washington Zone 2 |
MD |
BTHSMDWWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-572
| A |
Washington Zone 3 |
MD |
BTVLMDBVDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-573
| A |
Hagerstown |
MD |
FRDRMDFRKMD |
4098 SPRINT SPECTRUM, LP - MD |
240 |
|
|
|
301-574
| A |
Washington Zone 15 |
MD |
MRBOMDMBDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-575
| A |
Laurel |
MD |
TYCRVA03AMD |
2589 US LEC OF MARYLAND, INC. |
236 |
|
|
|
301-576
| A |
Washington Zone 3 |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
301-577
| A |
Washington Zone 4 |
MD |
LNHMMDLNDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-578
| A |
Washington Zone 3 |
MD |
SLSPMDSSDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-579
| A |
Brandywine |
MD |
BADNMDBNRS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-580
| A |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
301-581
| A |
Washington Zone 2 |
MD |
BTHSMDWWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-582
| A |
Hagerstown |
MD |
WLPTMDWPRS2 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-583
| A |
Washington Zone 4 |
MD |
LDVRMDLODS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-584
| A |
Washington Zone 12 |
MD |
VINNVACB2MD |
8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) |
236 |
|
|
|
301-585
| A |
Washington Zone 3 |
MD |
SLSPMDSSDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-586
| A |
Washington Zone 3 |
MD |
BTVLMDBVDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-587
| A |
Washington Zone 3 |
MD |
SLSPMDSSDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-588
| A |
Washington Zone 3 |
MD |
SLSPMDSSDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-589
| A |
Washington Zone 3 |
MD |
SLSPMDSSDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-590
| A |
Washington Zone 10 |
MD |
GTBGMDGBPS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-591
| A |
Gaithersburg |
MD |
CHCHMDBE6MD |
4716 PAETEC COMMUNICATIONS, INC. - MD |
236 |
|
|
|
301-592
| A |
Washington Zone 3 |
MD |
SLSPMDNWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-593
| A |
Washington Zone 3 |
MD |
SLSPMDNWDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-594
| A |
Washington Zone 2 |
MD |
BTHSMDRPDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-595
| A |
Washington Zone 13 |
MD |
BTVLMDBVDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-596
| A |
Laurel (Baltimore LATA) |
MD |
CLMAMDCBRP0 |
9212 VERIZON MARYLAND, INC. |
238 |
|
|
|
301-597
| A |
Waldorf |
MD |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
|
|
301-598
| A |
Washington Zone 12 |
MD |
SLSPMDNBDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-599
| A |
Washington Zone 5 |
MD |
CLTNMDCLDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-600
| A |
Frederick |
MD |
FRDRMDFRDS1 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
301-601
| A |
Washington Zone 10 |
MD |
GMTWMDGNDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-602
| A |
Washington Zone 3 |
MD |
WASKDCFNAMD |
6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
236 |
|
|
|
301-603
| A |
Washington Zone 11 |
MD |
SLSPMDNBDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
301-604
| A |
Laurel |
MD |
LARLMDLRDS0 |
9212 VERIZON MARYLAND, INC. |
236 |
|
|
|
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Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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