rangecheck

01217 area code: Birmingham numbers starting 0121 7

01217 is not a separate area code. It is Birmingham (0121) followed by local numbers starting 7.

930,000 numbers are allocated in 93 blocks to 32 listed holders (Ofcom, 14 Oct 2026).

Check a 01217 number privately

Number ranges registered under 0121 7

0121 7 blocks: holder, status and allocation date
Number rangeListed holderStatusAllocation date
0121 7000000 – 0121 7009999 BT Allocated 1994-07-15
0121 7010000 – 0121 7019999 BT Allocated 1994-07-15
0121 7020000 – 0121 7029999 BT Allocated 1994-07-15
0121 7030000 – 0121 7039999 BT Allocated 1994-07-15
0121 7040000 – 0121 7049999 BT Allocated 1994-07-15
0121 7050000 – 0121 7059999 BT Allocated 1994-07-15
0121 7060000 – 0121 7069999 BT Allocated 1994-07-15
0121 7070000 – 0121 7079999 BT Allocated 1994-07-15
0121 7080000 – 0121 7089999 BT Allocated 1994-07-15
0121 7090000 – 0121 7099999 BT Allocated 1994-07-15
0121 7100000 – 0121 7109999 BT Allocated 1994-07-15
0121 7110000 – 0121 7119999 BT Allocated 1994-07-15
0121 7120000 – 0121 7129999 BT Allocated 1994-07-15
0121 7130000 – 0121 7139999 BT Allocated 1994-07-15
0121 7140000 – 0121 7149999 BT Allocated 2003-01-13
0121 7150000 – 0121 7159999 Vodafone Limited Allocated 2005-03-24
0121 7160000 – 0121 7169999 BT Allocated 2017-03-10
0121 7170000 – 0121 7179999 BT Allocated 1994-07-15
0121 7180000 – 0121 7189999 Digital Space Group Limited Allocated 2016-03-15
0121 7190000 – 0121 7199999 Aloha Telecommunications Ltd Allocated 2011-08-16
0121 7200000 – 0121 7209999 Colt Technology Services Allocated 2017-06-07
0121 7210000 – 0121 7219999 IOVOX Limited Allocated 2016-12-12
0121 7220000 – 0121 7229999 BT Allocated 1994-07-15
0121 7230000 – 0121 7239999 Callitech Limited Allocated 2017-09-20
0121 7240000 – 0121 7249999 Mission Labs Limited Allocated 2017-08-29
0121 7250000 – 0121 7259999 BT Allocated 2017-08-03
0121 7260000 – 0121 7269999 Gamma Telecom Holdings Limited Allocated 2017-02-20
0121 7270000 – 0121 7279999 Nebula Cloud Limited Allocated 2017-06-27
0121 7280000 – 0121 7289999 Gamma Telecom Holdings Limited Allocated 2017-10-19
0121 7290000 – 0121 7299999 TalkTalk Communications Limited Allocated 2017-11-24
0121 7300000 – 0121 7309999 BT Allocated 1994-07-15
0121 7320000 – 0121 7329999 Nexbridge Communications Limited Allocated 2012-01-09
0121 7330000 – 0121 7339999 BT Allocated 1994-07-15
0121 7350000 – 0121 7359999 Mi Telecom Limited Allocated 2014-01-23
0121 7360000 – 0121 7369999 8x8 Communications UK Limited Allocated 2012-03-26
0121 7370000 – 0121 7379999 TelXL Limited Allocated 2005-04-25
0121 7380000 – 0121 7389999 Content Guru Limited Allocated 2012-05-28
0121 7400000 – 0121 7409999 Nationwide Telephone Assistance Ltd Allocated 2007-10-01
0121 7410000 – 0121 7419999 BT Allocated 1994-07-15
0121 7420000 – 0121 7429999 BT Allocated 1994-07-15
0121 7430000 – 0121 7439999 BT Allocated 1994-07-15
0121 7440000 – 0121 7449999 BT Allocated 1994-07-15
0121 7450000 – 0121 7459999 BT Allocated 1994-07-15
0121 7460000 – 0121 7469999 BT Allocated 1994-07-15
0121 7470000 – 0121 7479999 BT Allocated 1994-07-15
0121 7480000 – 0121 7489999 BT Allocated 1994-07-15
0121 7490000 – 0121 7499999 BT Allocated 1994-07-15
0121 7500000 – 0121 7509999 Zapappi Ltd Allocated 2017-08-25
0121 7510000 – 0121 7519999 IP Voice Networks Ltd Allocated 2017-09-20
0121 7520000 – 0121 7529999 Gamma Telecom Holdings Limited Allocated 2018-04-13
0121 7530000 – 0121 7539999 BT Allocated 1994-07-15
0121 7540000 – 0121 7549999 Antheus Telecom Limited Allocated 2018-02-06
0121 7550000 – 0121 7559999 Telecom 10 Ltd Allocated 2018-05-30
0121 7560000 – 0121 7569999 Infinity Tracking Ltd Allocated 2018-11-20
0121 7580000 – 0121 7589999 BT Allocated 2018-11-21
0121 7590000 – 0121 7599999 EVE CONNECT LTD Allocated 2022-05-25
0121 7610000 – 0121 7619999 ETC Telecom Limited Allocated 2008-02-06
0121 7620000 – 0121 7629999 BT Allocated 1996-03-26
0121 7630000 – 0121 7639999 Vodafone Ltd (C&W) Allocated 2013-07-31
0121 7640000 – 0121 7649999 BT Allocated 1994-07-15
0121 7650000 – 0121 7659999 BT Allocated 1994-07-15
0121 7660000 – 0121 7669999 BT Allocated 1994-07-15
0121 7670000 – 0121 7679999 BT Allocated 1994-07-15
0121 7690000 – 0121 7699999 Kalnet4U Ltd Allocated 2011-12-01
0121 7700000 – 0121 7709999 BT Allocated 1994-07-15
0121 7710000 – 0121 7719999 BT Allocated 1994-07-15
0121 7720000 – 0121 7729999 BT Allocated 1994-07-15
0121 7730000 – 0121 7739999 BT Allocated 1994-07-15
0121 7740000 – 0121 7749999 Vodafone Ltd (C&W) Allocated 2021-11-17
0121 7750000 – 0121 7759999 GCI Network Solutions Limited Allocated 2017-04-20
0121 7760000 – 0121 7769999 BT Allocated 1994-07-15
0121 7770000 – 0121 7779999 BT Allocated 1994-07-15
0121 7780000 – 0121 7789999 BT Allocated 1994-07-15
0121 7790000 – 0121 7799999 BT Allocated 1994-07-15
0121 7800000 – 0121 7809999 BT Allocated 1994-07-15
0121 7810000 – 0121 7819999 BT Allocated 1994-07-15
0121 7820000 – 0121 7829999 BT Allocated 1994-07-15
0121 7830000 – 0121 7839999 BT Allocated 1994-07-15
0121 7840000 – 0121 7849999 BT Allocated 1994-07-15
0121 7850000 – 0121 7859999 BT Allocated 1994-07-15
0121 7860000 – 0121 7869999 BT Allocated 1994-07-15
0121 7870000 – 0121 7879999 BT Allocated 1994-07-15
0121 7880000 – 0121 7889999 BT Allocated 1994-07-15
0121 7890000 – 0121 7899999 BT Allocated 1994-07-15
0121 7900000 – 0121 7909999 DIDWW Ireland Limited Allocated 2014-04-07
0121 7920000 – 0121 7929999 TalkTalk Communications Limited Allocated 2014-08-01
0121 7930000 – 0121 7939999 Firstcom Europe Limited Allocated 2023-12-04
0121 7940000 – 0121 7949999 BT Allocated 2014-08-13
0121 7950000 – 0121 7959999 Square 1 Communications Limited Allocated 2014-09-03
0121 7960000 – 0121 7969999 Gamma Telecom Holdings Limited Allocated 2014-10-08
0121 7970000 – 0121 7979999 Nexbridge Communications Limited Allocated 2021-07-07
0121 7980000 – 0121 7989999 YayYay Limited Allocated 2015-04-07
0121 7990000 – 0121 7999999 Simwood eSMS Limited Allocated 2017-12-18
0121 7310000 – 0121 7319999 Not listed Quarantined Not recorded
0121 7340000 – 0121 7349999 Not listed Protected Not recorded
0121 7390000 – 0121 7399999 Not listed Protected Not recorded
0121 7570000 – 0121 7579999 Not listed Protected Not recorded
0121 7600000 – 0121 7609999 Not listed Protected Not recorded
0121 7680000 – 0121 7689999 Not listed Quarantined Not recorded
0121 7910000 – 0121 7919999 Not listed Protected Not recorded

Download all 100 ranges (CSV).

01217 allocation

Blocks whose local number starts with 7 under Birmingham (0121): 930,000 allocated numbers in 93 blocks.

Allocated
930,000 numbers · 93 blocks
Quarantined
20,000 numbers · 2 blocks
Protected
50,000 numbers · 5 blocks

Holders of 0121 7 numbers

BT holds 59.4% of the allocated numbers (560,000 numbers, 56 blocks).

Listed holders of 0121 7 by share of allocated numbers · 14 Oct 2026
HolderShareNumbersBlocksEarliest allocation
BT59.4%560,000561994-07-15
Gamma Telecom Holdings Limited4.3%40,00042014-10-08
Nexbridge Communications Limited2.2%20,00022012-01-09
TalkTalk Communications Limited2.2%20,00022014-08-01
Vodafone Ltd (C&W)2.2%20,00022013-07-31
8x8 Communications UK Limited1.1%10,00012012-03-26
Aloha Telecommunications Ltd1.1%10,00012011-08-16
Antheus Telecom Limited1.1%10,00012018-02-06
Callitech Limited1.1%10,00012017-09-20
Colt Technology Services1.1%10,00012017-06-07
Content Guru Limited1.1%10,00012012-05-28
DIDWW Ireland Limited1.1%10,00012014-04-07
Digital Space Group Limited1.1%10,00012016-03-15
ETC Telecom Limited1.1%10,00012008-02-06
EVE CONNECT LTD1.1%10,00012022-05-25
Firstcom Europe Limited1.1%10,00012023-12-04
GCI Network Solutions Limited1.1%10,00012017-04-20
IOVOX Limited1.1%10,00012016-12-12
IP Voice Networks Ltd1.1%10,00012017-09-20
Infinity Tracking Ltd1.1%10,00012018-11-20
Kalnet4U Ltd1.1%10,00012011-12-01
Mi Telecom Limited1.1%10,00012014-01-23
Mission Labs Limited1.1%10,00012017-08-29
Nationwide Telephone Assistance Ltd1.1%10,00012007-10-01
Nebula Cloud Limited1.1%10,00012017-06-27
Simwood eSMS Limited1.1%10,00012017-12-18
Square 1 Communications Limited1.1%10,00012014-09-03
TelXL Limited1.1%10,00012005-04-25
Telecom 10 Ltd1.1%10,00012018-05-30
Vodafone Limited1.1%10,00012005-03-24
YayYay Limited1.1%10,00012015-04-07
Zapappi Ltd1.1%10,00012017-08-25

Weekly changes for 01217

0 block changes from 19 Aug 2026 to 17 Oct 2026. Each week counts a block once.

01217 weekly changes since 19 Aug 2026
FromToChanged blocks
2026-08-192026-08-260
2026-08-262026-09-020
2026-09-022026-09-090
2026-09-092026-09-160
2026-09-162026-09-240
2026-09-242026-09-300
2026-09-302026-10-070
2026-10-072026-10-170

These numbers belong to 0121 Birmingham. Methodology.

01217 source: Ofcom s1.csv, published 14 Oct 2026. Download 0121 7 blocks (CSV). Contains Ofcom copyright material.

Source detail · 01217
01217 claim identifiers · release fc227d9e
ClaimValueIdentifier
allocated_numbers930000subcode:0121-7:allocated_numbers:fc227d9e:v1
allocated_records93subcode:0121-7:allocated_records:fc227d9e:v1
listed_holders32subcode:0121-7:listed_holders:fc227d9e:v1
area_code0121subcode:0121-7:area_code:fc227d9e:v1
first_digit7subcode:0121-7:first_digit:fc227d9e:v1
snapshot_date14 Oct 2026subcode:0121-7:snapshot_date:fc227d9e:v1