National Phone Number Registry NPNR

Area Code 443 Location

Area code 443 is located in Maryland. View all phone prefeixes used in area code 443

(443)
Enter 7-digit phone number for area code 443 or the complete 10-digit phone number

Phone Prefixes for Area Code 443

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Area code Location Company / Service Provider
443-200 WOODLAWN, MD ALLEGIANCE TELECOM, INC. - MD
443-201 Westminster, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-202 BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-203 WEST RIVER, MD VERIZON MARYLAND, INC.
443-204 PIKESVILLE, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-205 CAMBRIDGE, MD SPRINT SPECTRUM L.P.
443-206 PERRYVILLE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-207 ELKTON, MD OMNIPOINT COMMUNICATIONS ENTERPRISES, L.P.
443-208 BALTIMORE, MD SPRINT SPECTRUM L.P.
443-209 HAVREGRACE, MD CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD
443-210 SALISBURY, MD SPRINT SPECTRUM L.P.
443-212 SPARKSGLNC, MD US LEC OF MARYLAND, INC.
443-213 PIKESVILLE, MD VERIZON MARYLAND, INC.
443-214 ANNAPOLIS, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-215 Chestertown, MD CORE COMMUNICATIONS, INC. - MD
443-216 DUNDALK, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD
443-217 ANNAPOLIS, MD CORE COMMUNICATIONS, INC. - MD
443-218 WORTHINGTN, MD GLOBAL CROSSING LOCAL SERVICES, INC.-MD
443-219 PARKVILLE, MD LEVEL 3 COMMUNICATIONS, LLC - MD
443-220 BALTIMORE, MD VERIZON MARYLAND, INC.
443-221 ANNAPOLIS, MD LEVEL 3 COMMUNICATIONS, LLC - MD
443-222 WORTHINGTN, MD XO MARYLAND, LLC
443-223 ANNAPOLIS, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-224 BALTIMORE, MD MCI WORLDCOM COMMUNICATIONS, INC. - MD
443-225 CAMBRIDGE, MD SPRINT SPECTRUM L.P.
443-226 BALTIMORE, MD SPRINT SPECTRUM L.P.
443-227 PT DEPOSIT, MD CTC COMMUNICATIONS CORP. - MD
443-228 CHASE, MD US LEC OF MARYLAND, INC.
443-229 Severna Park, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD
443-230 ODENTON, MD CTC COMMUNICATIONS CORP. - MD
443-231 ESSEX, MD AT&T LOCAL
443-232 WILLARDS, MD CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD
443-233 VIENNA, MD CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD
443-234 SNOW HILL, MD CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD
443-235 SALISBURY, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-236 CARDIFF, MD CORE COMMUNICATIONS, INC. - MD
443-237 North Beach, MD CORE COMMUNICATIONS, INC. - MD
443-238 PARKTON, MD CTC COMMUNICATIONS CORP. - MD
443-239 EASTON, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-240 BALTIMORE, MD NEW CINGULAR WIRELESS PCS, LLC - DC
443-241 Westminster, MD GLOBAL NAPS SOUTH, INC. - MD
443-242 Sparrows Point, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD
443-243 FALLSTON, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-244 Westminster, MD LEVEL 3 COMMUNICATIONS, LLC - MD
443-245 ELKTON, MD CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD
443-246 ELKTON, MD CORE COMMUNICATIONS, INC. - MD
443-247 Union Bridge, MD CTC COMMUNICATIONS CORP. - MD
443-248 BALTIMORE, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
443-249 Stevensville, MD VERIZON MARYLAND, INC.
443-250 BALTIMORE, MD SPRINT SPECTRUM L.P.
443 Area Code Information
Type of code: General Purpose Code
Location: MD - US
Time zone: E
Assigned for use: Yes
Code in service: Yes
Service date: 01-JUN-97
In jeopardy: No
Relief in progress: No
NPA Relief status:
Code assignable: Yes
Geographic or
non-geographic:
G
Reserved for future use: No
Planning letter(s): 427 299 266 IL96/06-008
Overlay code: Yes
Overlay complex: 410/443/667
Dialing plan Standard Permissive
Home local calls: 10D 1+10D
Foreign local calls: 10D 1+10D
Home toll calls: 1+10D NA
Foreign toll calls: 1+10D -

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