Area Code 301 - Maryland
Every 301 prefix with its city and carrier. Got a specific number? Search it here.
Area code 301 serves Maryland (Eastern time zone) with 786 assigned prefixes. Major rate centers include Washington, Frederick, Gaithersburg, Waldorf, Laurel, Hagerstown, Cumberland, Lexington Park-Great Mills. Received a call from a 301 number? Type the full number into the search box above to see its city, carrier, and community reports.
Prefixes in area code 301
| Prefix | City | State | Carrier |
|---|---|---|---|
| 301-963 | Gaithersburg | MD | VERIZON MARYLAND, INC. |
| 301-964 | Myersville | MD | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 301-965 | Washington | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 301-966 | Washington | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 301-967 | Washington | MD | VERIZON MARYLAND, INC. |
| 301-968 | Washington | MD | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 301-969 | Brunswick | MD | COMCAST IP PHONE, LLC |
| 301-970 | Washington | MD | VERIZON MARYLAND, INC. |
| 301-971 | Washington | MD | STARPOWER COMMUNICATIONS, LLC - MD |
| 301-972 | Gaithersburg | MD | VERIZON MARYLAND, INC. |
| 301-973 | Washington | MD | BANDWIDTH.COM CLEC, LLC - MD |
| 301-974 | Laurel | MD | STARPOWER COMMUNICATIONS, LLC - MD |
| 301-975 | Washington | MD | VERIZON MARYLAND, INC. |
| 301-977 | Gaithersburg | MD | VERIZON MARYLAND, INC. |
| 301-978 | Washington | MD | VERIZON MARYLAND, INC. |
| 301-979 | Washington | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
| 301-980 | Washington | MD | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
| 301-981 | Washington | MD | LEVEL 3 TELECOM OF MARYLAND, LLC - MD |
| 301-982 | Washington | MD | VERIZON MARYLAND, INC. |
| 301-983 | Washington | MD | VERIZON MARYLAND, INC. |
| 301-984 | Washington | MD | VERIZON MARYLAND, INC. |
| 301-985 | Washington | MD | VERIZON MARYLAND, INC. |
| 301-986 | Washington | MD | VERIZON MARYLAND, INC. |
| 301-987 | Gaithersburg | MD | VERIZON MARYLAND, INC. |
| 301-988 | Hagerstown | MD | USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
| 301-989 | Washington | MD | VERIZON MARYLAND, INC. |
| 301-990 | Gaithersburg | MD | VERIZON MARYLAND, INC. |
| 301-991 | Hagerstown | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
| 301-992 | Hagerstown | MD | METROPCS, INC. |
| 301-993 | Washington | MD | VERIZON MARYLAND, INC. |
| 301-994 | Lexington Park-Great Mills | MD | VERIZON MARYLAND, INC. |
| 301-995 | Lexington Park-Great Mills | MD | VERIZON MARYLAND, INC. |
| 301-996 | Washington | MD | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
| 301-997 | Leonardtown | MD | VERIZON MARYLAND, INC. |
| 301-998 | Washington | MD | VERIZON MARYLAND, INC. |
| 301-999 | Hagerstown | MD | VERIZON MARYLAND, INC. |
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