NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

0 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.

Most active assignees, all time — NPA 618
MCC NETWORK SERVICES, LLC 128
New assignments by month Sep 2026 Aug 2026 Jul 2026 Jun 2026 May 2026 Apr 2026 Mar 2026 Feb 2026 Jan 2026 Dec 2025 Nov 2025 Oct 2025
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2021-07-22 618-519-8XXX 8000–8999Assigned MCC NETWORK SERVICES, LLC 9915 CARBONDALE IL
2021-03-03 618-577-8XXX 8000–8999Assigned MCC NETWORK SERVICES, LLC 075A BREESE IL
2021-02-08 618-642-7XXX 7000–7999Assigned MCC NETWORK SERVICES, LLC 075A GREENVILLE IL
2021-02-01 618-217-5XXX 5000–5999Assigned MCC NETWORK SERVICES, LLC 075A WOOD RIVER IL
2021-02-01 618-390-2XXX 2000–2999Assigned MCC NETWORK SERVICES, LLC 075A WOODLAWN IL
2021-02-01 618-400-9XXX 9000–9999Assigned MCC NETWORK SERVICES, LLC 075A MILLSTADT IL
2021-02-01 618-470-7XXX 7000–7999Assigned MCC NETWORK SERVICES, LLC 075A COLUMBIA IL
2021-02-01 618-473-7XXX 7000–7999Assigned MCC NETWORK SERVICES, LLC 075A HECKER IL
2021-02-01 618-504-3XXX 3000–3999Assigned MCC NETWORK SERVICES, LLC 075A WATERLOO IL
2021-02-01 618-574-4XXX 4000–4999Assigned MCC NETWORK SERVICES, LLC 075A AVISTON IL
2021-02-01 618-601-7XXX 7000–7999Assigned MCC NETWORK SERVICES, LLC 075A DUPO IL
2021-02-01 618-612-2XXX 2000–2999Assigned MCC NETWORK SERVICES, LLC 075A RED BUD IL
2021-02-01 618-613-3XXX 3000–3999Assigned MCC NETWORK SERVICES, LLC 075A BECKEMEYER IL
2021-02-01 618-636-6XXX 6000–6999Assigned MCC NETWORK SERVICES, LLC 075A ALTON IL
2021-02-01 618-651-7XXX 7000–7999Assigned MCC NETWORK SERVICES, LLC 075A HIGHLAND IL
2021-02-01 618-699-7XXX 7000–7999Assigned MCC NETWORK SERVICES, LLC 075A VANDALIA IL
2021-02-01 618-765-6XXX 6000–6999Assigned MCC NETWORK SERVICES, LLC 075A BARTELSO IL
2021-02-01 618-804-4XXX 4000–4999Assigned MCC NETWORK SERVICES, LLC 9915 LAWRENCEVL IL
2021-02-01 618-821-7XXX 7000–7999Assigned MCC NETWORK SERVICES, LLC 9915 LOUISVILLE IL
2012-12-14 618-293-3XXX 3000–3999Assigned MCC NETWORK SERVICES, LLC 075A EDGEMONT IL
2012-12-14 618-307-8XXX 8000–8999Assigned MCC NETWORK SERVICES, LLC 075A EDWARDSVL IL
2012-12-14 618-391-3XXX 3000–3999Assigned MCC NETWORK SERVICES, LLC 075A GLENCARBON IL
2012-12-14 618-475-1XXX 1000–1999Assigned MCC NETWORK SERVICES, LLC 075A NEW ATHENS IL
2012-12-14 618-501-5XXX 5000–5999Assigned MCC NETWORK SERVICES, LLC 075A GRANITE CY IL
2012-12-14 618-505-8XXX 8000–8999Assigned MCC NETWORK SERVICES, LLC 075A TROY IL
2012-12-14 618-539-1XXX 1000–1999Assigned MCC NETWORK SERVICES, LLC 075A FREEBURG IL
2012-12-14 618-732-7XXX 7000–7999Assigned MCC NETWORK SERVICES, LLC 075A BLUFORD IL
2012-12-14 618-755-5XXX 5000–5999Assigned MCC NETWORK SERVICES, LLC 075A HARMONY IL
2012-12-14 618-822-8XXX 8000–8999Assigned MCC NETWORK SERVICES, LLC 075A KELL IL
2012-12-14 618-857-1XXX 1000–1999Assigned MCC NETWORK SERVICES, LLC 075A E ST LOUIS IL
2012-12-11 618-740-7XXX 7000–7999Assigned MCC NETWORK SERVICES, LLC 075A SALEM IL
2012-12-06 618-855-7XXX 7000–7999Assigned MCC NETWORK SERVICES, LLC 075A COLLINSVL IL
2012-12-05 618-722-2XXX 2000–2999Assigned MCC NETWORK SERVICES, LLC 075A BELLEVILLE IL
2012-05-01 618-622-7XXX 7000–7999Assigned MCC NETWORK SERVICES, LLC 075A O FALLON IL
2009-05-21 618-429-9XXX 9000–9999Assigned MCC NETWORK SERVICES, LLC 9915 OLNEY IL
2007-06-07 618-762-9XXX 9000–9999Assigned MCC NETWORK SERVICES, LLC 075A WALTONVL IL
2007-06-07 618-899-9XXX 9000–9999Assigned MCC NETWORK SERVICES, LLC 075A MT VERNON IL
2007-05-10 618-243-8XXX 8000–8999Assigned MCC NETWORK SERVICES, LLC 075A OKAWVILLE IL
2007-05-10 618-247-7XXX 7000–7999Assigned MCC NETWORK SERVICES, LLC 075A SANDOVAL IL
2007-05-10 618-266-0XXX 0000–0999Assigned MCC NETWORK SERVICES, LLC 075A DIX IL
2007-05-10 618-448-9XXX 9000–9999Assigned MCC NETWORK SERVICES, LLC 075A MASCOUTAH IL
2007-05-10 618-464-9XXX 9000–9999Assigned MCC NETWORK SERVICES, LLC 075A NASHVILLE IL
2007-05-10 618-594-9XXX 9000–9999Assigned MCC NETWORK SERVICES, LLC 075A CARLYLE IL
2007-05-10 618-808-9XXX 9000–9999Assigned MCC NETWORK SERVICES, LLC 075A LEBANON IL
2007-05-10 618-918-7XXX 7000–7999Assigned MCC NETWORK SERVICES, LLC 075A CENTRALIA IL
2004-04-07 618-295-5XXX 5000–5999Assigned MCC NETWORK SERVICES, LLC 9915 MARISSA IL
2004-04-07 618-317-9XXX 9000–9999Assigned MCC NETWORK SERVICES, LLC 9915 SPARTA IL
2004-04-07 618-497-7XXX 7000–7999Assigned MCC NETWORK SERVICES, LLC 9915 PERCY IL
2004-04-07 618-568-8XXX 8000–8999Assigned MCC NETWORK SERVICES, LLC 9915 ELKVILLE IL
2004-04-07 618-758-7XXX 7000–7999Assigned MCC NETWORK SERVICES, LLC 9915 COULTERVL IL

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.