NumberingData
Verified Nov 1, 2026 · Source: NANPA CO Code Assignment Records

HERNDON prefixes in area code 703

NANPA records 65 assigned NXX blocks to rate center HERNDON in area code 703, 8.4% of the 775 blocks assigned in the code. A rate center is the billing geography a block is allocated to – NANPA truncates the name to ten characters, so read it as a NANPA label rather than a town. 10 holders hold those blocks, the largest being VERIZON VIRGINIA, INC. (30), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA (6), OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (6). The earliest assignment on record here is 2001-02-27 and the most recent 2024-05-31. 42 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots. The same rate center name also appears in area codes 571, 785 – overlay codes cover the same geography, so a rate center is served by all of them.

65 assigned blocks – 8.4% of 703
10 holders of record
42 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
703-230 Windstream PAETEC ITEL, LLC – yes yes
703-234 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - DC – no yes
703-263 Verizon VERIZON VIRGINIA, INC. – yes yes
703-282 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA – no yes
703-376 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - DC – yes yes
703-378 Verizon VERIZON VIRGINIA, INC. – no yes
703-390 Verizon VERIZON VIRGINIA, INC. – no yes
703-391 Verizon VERIZON VIRGINIA, INC. – no yes
703-421 Verizon VERIZON VIRGINIA, INC. – no yes
703-429 Lumen LEVEL 3 COMMUNICATIONS, LLC - VA – yes yes
703-430 Verizon VERIZON VIRGINIA, INC. – no yes
703-433 Verizon VERIZON VIRGINIA, INC. – no yes
703-434 STARPOWER COMMUNICATIONS, LLC - VA – yes yes
703-435 Verizon VERIZON VIRGINIA, INC. – no yes
703-437 Verizon VERIZON VIRGINIA, INC. – no yes
703-439 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - DC – yes yes
703-444 Verizon VERIZON VIRGINIA, INC. – no yes
703-463 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – yes yes
703-464 Verizon VERIZON VIRGINIA, INC. – no yes
703-466 Verizon VERIZON VIRGINIA, INC. 2004-08-16 yes yes
703-467 Verizon VERIZON VIRGINIA, INC. – no yes
703-476 Verizon VERIZON VIRGINIA, INC. – no yes
703-480 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – no yes
703-481 Verizon VERIZON VIRGINIA, INC. – no yes
703-483 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 2005-08-15 yes yes
703-488 Verizon VERIZON VIRGINIA, INC. – yes yes
703-547 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – yes yes
703-579 Lumen LEVEL 3 COMMUNICATIONS, LLC - VA – yes yes
703-581 Verizon VERIZON VIRGINIA, INC. – yes yes
703-657 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 2006-08-30 yes yes
703-668 Verizon VERIZON VIRGINIA, INC. 2001-11-30 yes yes
703-673 Lumen LEVEL 3 COMMUNICATIONS, LLC - VA – yes yes
703-674 Windstream PAETEC ITEL, LLC – yes yes
703-689 Verizon VERIZON VIRGINIA, INC. – yes yes
703-707 Verizon VERIZON VIRGINIA, INC. – no yes
703-773 Windstream PAETEC ITEL, LLC 2001-02-27 yes yes
703-774 Comcast COMCAST IP PHONE, LLC – yes yes
703-787 Verizon VERIZON VIRGINIA, INC. – no yes
703-793 Verizon VERIZON VIRGINIA, INC. – no yes
703-796 Verizon VERIZON VIRGINIA, INC. – no yes
703-804 IP HORIZON LLC 2024-05-31 yes yes
703-814 Verizon VERIZON VIRGINIA, INC. – yes yes
703-817 Verizon VERIZON VIRGINIA, INC. – yes yes
703-826 Verizon VERIZON VIRGINIA, INC. – yes yes
703-856 T-Mobile OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC – yes yes
703-860 Verizon VERIZON VIRGINIA, INC. – no yes
703-870 T-Mobile OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 2006-06-05 yes yes
703-871 Windstream PAETEC ITEL, LLC 2001-05-10 yes yes
703-880 Windstream PAETEC ITEL, LLC – no yes
703-885 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - DC – yes yes
703-889 Verizon VERIZON VIRGINIA, INC. 2005-08-18 yes yes
703-926 T-Mobile OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC – yes yes
703-930 T-Mobile OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC – yes yes
703-932 T-Mobile OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC – yes yes
703-935 Lumen LEVEL 3 COMMUNICATIONS, LLC - VA – yes yes
703-939 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 2007-12-06 yes yes
703-943 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA – yes yes
703-949 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - DC 2011-01-17 yes yes
703-953 T-Mobile OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 2005-08-30 yes yes
703-955 Verizon CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 2005-03-28 yes yes
703-956 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC 2005-01-07 yes yes
703-961 Verizon VERIZON VIRGINIA, INC. – no yes
703-964 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – yes yes
703-984 Verizon VERIZON VIRGINIA, INC. 2004-06-02 yes yes
703-994 Lumen LEVEL 3 COMMUNICATIONS, LLC - VA – yes yes

The holder is who received the block from the numbering administrator. It is not necessarily the carrier serving a given number: numbers move with their owners, and a pooled block is shared.

Who holds the blocks

HolderBrandBlocksShare here
VERIZON VIRGINIA, INC. Verizon 30 46.2%
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA Verizon 6 9.2%
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC T-Mobile 6 9.2%
PAETEC ITEL, LLC Windstream 5 7.7%
TELEPORT COMMUNICATIONS AMERICA, LLC - DC AT&T 5 7.7%
LEVEL 3 COMMUNICATIONS, LLC - VA Lumen 5 7.7%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC Verizon 5 7.7%
STARPOWER COMMUNICATIONS, LLC - VA – 1 1.5%
COMCAST IP PHONE, LLC Comcast 1 1.5%
IP HORIZON LLC – 1 1.5%

Same rate center in other codes

Overlay codes cover the same geography, so one rate center is served by all of them.

Frequently asked

Which prefixes belong to HERNDON in area code 703?

65 blocks: 230, 234, 263, 282, 376, 378, 390, 391, 421, 429, 430, 433 and 53 more, all listed in the table above.

Which carriers have numbers in HERNDON?

VERIZON VIRGINIA, INC. (30 blocks), CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA (6 blocks), OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC (6 blocks), PAETEC ITEL, LLC (5 blocks), TELEPORT COMMUNICATIONS AMERICA, LLC - DC (5 blocks), LEVEL 3 COMMUNICATIONS, LLC - VA (5 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is HERNDON a city?

It is a rate center – the unit NANPA allocates number blocks to. Its name is abbreviated to ten characters and is not necessarily a settlement: we print it as recorded rather than guess at the full name.

Other rate centers in 703

All 775 prefixes in 703