| 
	Area Codes that cover ZIP Code 21045
	COLUMBIA, MD
	ZIP Code 21045 Details
| Zip Code: | 21045 |   | Population: | 38,288 |  
| Area Code: | 240  |  301  |  410  |  443  |  667 | Households per Zip Code: | 14,725 |  
| City: | COLUMBIA | Average House Value:  | $347,100 |  
| State: | MD | Avg. Income Per Household: | $103,130 |  
| County: | HOWARD | Persons Per Household | 2.59 |  
| Latitude: | 39.207766 | White Population: | 20,870 |  
| Longitude: | -76.82643 | Black Population: | 12,202 |  
| Elevation: | 399 | Hispanic Population: | 4,174 |  
| City Alias(es): | COLUMBIA | Number of Businesses: | 1380 |  
| MSA: | 8872 |  
| MSA Name: | Washington-Baltimore, DC-MD-VA-WV CMSA |  
| PMSA: | 0720 |  
 
 
  
AreaCodes & Prefixes for ZIP Code 21045
  
    | Area Code | 
	Prefix | 
    Zip Count | 
    ZIP Freq | 
	Type | 
	Company | 
	Rate Center | 
   
| 240 | 
319 | 
38288 | 
-1 | 
WIRELESS | 
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 
LAUREL238 | 
 
| 240 | 
517 | 
38288 | 
-1 | 
WIRELESS | 
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 
LAUREL238 | 
 
| 240 | 
540 | 
38288 | 
-1 | 
LANDLINE | 
THE VOICE APPLICATION NETWORK, LLC | 
WSNG238Z13 | 
 
| 240 | 
571 | 
38288 | 
-1 | 
WIRELESS | 
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 
LAUREL238 | 
 
| 240 | 
653 | 
38288 | 
-1 | 
WIRELESS | 
PEERLESS NETWORK OF MARYLAND, LLC | 
LAUREL238 | 
 
| 240 | 
708 | 
38288 | 
-1 | 
WIRELESS | 
LEVEL 3 COMMUNICATIONS, LLC - MD | 
LAUREL238 | 
 
| 240 | 
712 | 
38288 | 
-1 | 
WIRELESS | 
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 
LAUREL238 | 
 
| 240 | 
749 | 
38288 | 
-1 | 
WIRELESS | 
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 
LAUREL238 | 
 
| 240 | 
856 | 
38288 | 
-1 | 
WIRELESS | 
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 
LAUREL238 | 
 
| 240 | 
904 | 
38288 | 
-1 | 
WIRELESS | 
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 
LAUREL238 | 
 
| 240 | 
930 | 
38288 | 
-1 | 
WIRELESS | 
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 
LAUREL238 | 
 
| 240 | 
972 | 
38288 | 
-1 | 
LANDLINE | 
BALTIMORE-WASHINGTON TELEPHONE (BWT) | 
LAUREL238 | 
 
| 240 | 
975 | 
38288 | 
-1 | 
WIRELESS | 
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 
LAUREL238 | 
 
| 301 | 
310 | 
38288 | 
0 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
LAUREL238 | 
 
| 301 | 
532 | 
38288 | 
-1 | 
WIRELESS | 
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 
LAUREL238 | 
 
| 301 | 
596 | 
38288 | 
-1 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
LAUREL238 | 
 
| 301 | 
854 | 
38288 | 
-2 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
ASHTON238 | 
 
| 410 | 
290 | 
38288 | 
0 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
COLUMBIA | 
 
| 410 | 
309 | 
38288 | 
0 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
COLUMBIA | 
 
| 410 | 
312 | 
38288 | 
0 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
COLUMBIA | 
 
| 410 | 
381 | 
38288 | 
0 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
COLUMBIA | 
 
| 410 | 
447 | 
38288 | 
-1 | 
WIRELESS | 
USA MOBILITY WIRELESS, INC. | 
COLUMBIA | 
 
| 410 | 
509 | 
38288 | 
-2 | 
LANDLINE | 
BALTIMORE-WASHINGTON TELEPHONE (BWT) | 
WATERLO236 | 
 
| 410 | 
531 | 
38288 | 
-2 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
COLUMBIA | 
 
| 410 | 
705 | 
38288 | 
-2 | 
LANDLINE | 
BANDWIDTH.COM CLEC, LLC - MD | 
WATERLO236 | 
 
| 410 | 
707 | 
38288 | 
-1 | 
WIRELESS | 
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 
COLUMBIA | 
 
| 410 | 
715 | 
38288 | 
-1 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
COLUMBIA | 
 
| 410 | 
730 | 
38288 | 
-1 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
COLUMBIA | 
 
| 410 | 
740 | 
38288 | 
-1 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
COLUMBIA | 
 
| 410 | 
772 | 
38288 | 
-1 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
COLUMBIA | 
 
| 410 | 
824 | 
38288 | 
-2 | 
LANDLINE | 
LEVEL 3 TELECOM OF MARYLAND, LLC - MD | 
WATERLO236 | 
 
| 410 | 
834 | 
38288 | 
-2 | 
LANDLINE | 
CENTURYLINK COMMUNICATIONS, LLC | 
WATERLO236 | 
 
| 410 | 
862 | 
38288 | 
-2 | 
LANDLINE | 
ONVOY, LLC - MD | 
WATERLO236 | 
 
| 410 | 
872 | 
38288 | 
0 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
COLUMBIA | 
 
| 410 | 
884 | 
38288 | 
-1 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
COLUMBIA | 
 
| 410 | 
953 | 
38288 | 
0 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
COLUMBIA | 
 
| 410 | 
964 | 
38288 | 
-1 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
COLUMBIA | 
 
| 410 | 
985 | 
38288 | 
-2 | 
LANDLINE | 
BALTIMORE-WASHINGTON TELEPHONE (BWT) | 
WATERLO236 | 
 
| 410 | 
988 | 
38288 | 
-2 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
ELLICOTTCY | 
 
| 410 | 
992 | 
38288 | 
0 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
COLUMBIA | 
 
| 410 | 
997 | 
38288 | 
-1 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
COLUMBIA | 
 
| 443 | 
259 | 
38288 | 
0 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
COLUMBIA | 
 
| 443 | 
285 | 
38288 | 
0 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
COLUMBIA | 
 
| 443 | 
319 | 
38288 | 
-1 | 
LANDLINE | 
PAETEC ITEL, LLC | 
COLUMBIA | 
 
| 443 | 
329 | 
38288 | 
-2 | 
LANDLINE | 
LEVEL 3 COMMUNICATIONS, LLC - MD | 
WATERLO236 | 
 
| 443 | 
351 | 
38288 | 
0 | 
LANDLINE | 
PAETEC ITEL, LLC | 
ODENTON | 
 
| 443 | 
367 | 
38288 | 
-1 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
COLUMBIA | 
 
| 443 | 
471 | 
38288 | 
0 | 
LANDLINE | 
PAETEC ITEL, LLC | 
PIKESVILLE | 
 
| 443 | 
514 | 
38288 | 
0 | 
LANDLINE | 
PAETEC ITEL, LLC | 
CATONSVL | 
 
| 443 | 
518 | 
38288 | 
-1 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
COLUMBIA | 
 
| 443 | 
535 | 
38288 | 
-2 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
COLUMBIA | 
 
| 443 | 
537 | 
38288 | 
0 | 
LANDLINE | 
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 
COLUMBIA | 
 
| 443 | 
538 | 
38288 | 
0 | 
WIRELESS | 
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | 
COLUMBIA | 
 
| 443 | 
539 | 
38288 | 
0 | 
LANDLINE | 
PAETEC ITEL, LLC | 
COLUMBIA | 
 
| 443 | 
542 | 
38288 | 
-1 | 
LANDLINE | 
COMCAST IP PHONE, LLC | 
COLUMBIA | 
 
| 443 | 
545 | 
38288 | 
-1 | 
LANDLINE | 
LEVEL 3 COMMUNICATIONS, LLC - MD | 
COLUMBIA | 
 
| 443 | 
561 | 
38288 | 
0 | 
LANDLINE | 
PAETEC ITEL, LLC | 
ELKRIDGE | 
 
| 443 | 
573 | 
38288 | 
0 | 
LANDLINE | 
PAETEC ITEL, LLC | 
BALTIMORE | 
 
| 443 | 
577 | 
38288 | 
0 | 
LANDLINE | 
PAETEC ITEL, LLC | 
GLENBURNIE | 
 
| 443 | 
583 | 
38288 | 
-1 | 
LANDLINE | 
PAETEC ITEL, LLC | 
COLUMBIA | 
 
| 443 | 
654 | 
38288 | 
-2 | 
LANDLINE | 
VERIZON MARYLAND, INC. | 
WATERLO236 | 
 
| 443 | 
656 | 
38288 | 
-1 | 
LANDLINE | 
PAETEC ITEL, LLC | 
COLUMBIA | 
 
| 443 | 
713 | 
38288 | 
-1 | 
WIRELESS | 
PEERLESS NETWORK OF MARYLAND, LLC | 
GLENBURNIE | 
 
| 443 | 
714 | 
38288 | 
-1 | 
LANDLINE | 
NEW CINGULAR WIRELESS PCS, LLC - DC | 
ANNAPOLIS | 
 
| 443 | 
718 | 
38288 | 
-1 | 
LANDLINE | 
PAETEC ITEL, LLC | 
COLUMBIA | 
 
| 443 | 
741 | 
38288 | 
-1 | 
LANDLINE | 
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD | 
COLUMBIA | 
 
| 443 | 
745 | 
38288 | 
-1 | 
WIRELESS | 
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 
COLUMBIA | 
 
| 443 | 
753 | 
38288 | 
-2 | 
LANDLINE | 
MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 
WATERLO236 | 
 
| 443 | 
766 | 
38288 | 
0 | 
LANDLINE | 
PAETEC ITEL, LLC | 
COLUMBIA | 
 
| 443 | 
780 | 
38288 | 
0 | 
LANDLINE | 
PAETEC ITEL, LLC | 
WOODLAWN | 
 
| 443 | 
812 | 
38288 | 
-1 | 
WIRELESS | 
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 
COLUMBIA | 
 
| 443 | 
864 | 
38288 | 
-1 | 
WIRELESS | 
METROPCS, INC. | 
COLUMBIA | 
 
| 443 | 
917 | 
38288 | 
-1 | 
WIRELESS | 
ONVOY, LLC - MD | 
COLUMBIA | 
 
| 443 | 
979 | 
38288 | 
-1 | 
WIRELESS | 
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD | 
COLUMBIA | 
 
| 667 | 
200 | 
38288 | 
-1 | 
LANDLINE | 
ONVOY, LLC - MD | 
COLUMBIA | 
 
| 667 | 
240 | 
38288 | 
-1 | 
LANDLINE | 
BARR TELL USA, INC. | 
COLUMBIA | 
 
| 667 | 
257 | 
38288 | 
-1 | 
LANDLINE | 
VONAGE AMERICA LLC | 
COLUMBIA | 
 
| 667 | 
300 | 
38288 | 
-1 | 
LANDLINE | 
CORE COMMUNICATIONS, INC.- MD | 
COLUMBIA | 
 
| 667 | 
322 | 
38288 | 
-2 | 
LANDLINE | 
ONVOY, LLC - MD | 
WATERLO236 | 
 
| 667 | 
421 | 
38288 | 
-1 | 
WIRELESS | 
TELNYX LLC | 
COLUMBIA | 
 
| 667 | 
480 | 
38288 | 
-2 | 
LANDLINE | 
ONVOY, LLC - MD | 
WATERLO236 | 
 
| 667 | 
502 | 
38288 | 
-1 | 
WIRELESS | 
NEW CINGULAR WIRELESS PCS, LLC - DC | 
COLUMBIA | 
 
| 667 | 
786 | 
38288 | 
0 | 
LANDLINE | 
TELEPORT COMMUNICATIONS AMERICA, LLC - MD | 
COLUMBIA | 
 
 
	
		
			  
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